Final answer:
Apple juice is a homogeneous mixture due to its uniform composition throughout, making it visually the same, unlike the other given options.
Explanation:
Among the options given, apple juice is an example of a homogeneous mixture. A homogeneous mixture, or solution, has a uniform composition throughout and does not contain visibly distinguishable parts. Apple juice's uniform composition makes it visually the same throughout, unlike a fruit salad, granite, or sand at the beach, which are examples of heterogeneous mixtures where the composition is not uniform and the different parts can be seen. Other examples of homogeneous mixtures include sports drinks, air, and solutions of salt in water.
a 0.784 g sample of magnesium is added to a 250 ml flask and dissolved in 150ml of water. magnesium hydroxide obtained from the reaction required 215.0 mL of 0.300 M hydrochloric acid to completely react. How many moles of Mg were used?
The chemical reaction involving Mg(OH)2 and HCl is:
Mg(OH)2 + 2HCl --> MgCl2 + 2H2O
So we see that for every 2 moles of HCl, 1 mole of Mg is reacted.
Calculating for moles HCl:
moles HCl = 0.300 M * 0.215 L
moles HCl = 0.0645 mol
The moles Mg then is:
moles Mg = 0.0645 mol * (1 / 2)
moles Mg = 0.03225 mol
0.03255 moles of Mg is used for neutralizing 0.3 M 245 ml [tex]\rm Mg(OH)_2[/tex].
The chemical reaction of the reaction of Mg with water yields Magnesium hydroxide.
The neutralization reaction of [tex]\rm Mg(OH)_2[/tex] with HCl will be:
[tex]\rm Mg(OH)_2\;+\;2\;HCl\;\rightarrow\;MgCl_2\;+2\;H_2O[/tex]
For neutralizing 1 mole of magnesium hydroxide 2 moles of HCl are required.
The moles of HCl in the question are:
moles = [tex]\rm molarity\;\times\;\dfrac{1000}{Volume\;(ml)}[/tex]
moles of HCl = 0.3 [tex]\rm \times\;\dfrac{1000}{215}[/tex]
moles of HCl = 0.0645 moles.
The moles of Mg required are half of HCl.
Moles of Mg = [tex]\rm \dfrac{0.0645}{2}[/tex]
Moles of Mg = 0.03225.
0.03255 moles of Mg is used for neutralizing 0.3 M 245 ml [tex]\rm Mg(OH)_2[/tex].
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Geologist know that potassium 40 decays to argon 40, with a half life of 1.3 billion years. analysis of a hypothetical sample of granite reveals that 75 percent of the potassium 40 atoms have decyaed to form argon 40. what is the age of the sample of granite
First let us calculate for the rate constant k from the formula:
k = ln(2) / t0.5
where t0.5 is the half life
k = ln(2) / 1.3x10^9 years
k = 5.33x10^-10 years-1
Then we use the formula:
A/Ao = e^-kt
where A/Ao is the amount remaining = 25% = 0.25, t is time
Rearranging to get t:
t = ln(A/Ao) / -k
t = ln(0.25) / (-5.33x10^-10 years-1)
t = 2.6x10^9 years
Answer : The age of the sample of granite is, 2.6 billion years
Solution : Given,
As we know that the radioactive decays follow the first order kinetics.
First we have to calculate the rate constant.
Formula used : [tex]t_{1/2}=\frac{0.693}{k}[/tex]
[tex]1.3\text{ billion years}=\frac{0.693}{k}[/tex]
[tex]k=0.533(\text{billion years})^{-1}[/tex]
Now we have to calculate the age of the sample of granite.
The expression for rate law for first order kinetics is given by :
[tex]k=\frac{2.303}{t}\log\frac{a}{a-x}[/tex]
where,
k = rate constant = [tex]0.533[/tex]
t = time taken for decay process = ?
a = initial amount of the reactant = 100 g
a - x = amount left after decay process = 100 - 75 = 25 g
Putting values in above equation, we get the age of the sample of granite.
[tex]0.533=\frac{2.303}{t}\log\frac{100}{25}[/tex]
[tex]t=2.6\text{ billion years}[/tex]
Therefore, the age of the sample of granite is, 2.6 billion years
The particles of a gas are _____. atoms or molecules electrons waves neutrons
Explanation:
A molecule is a substance that contains atoms of either different or same elements.
For example, [tex]Cl_{2}[/tex] molecule and NaCl is also a molecule.
On the other hand, a compound always consists atoms of different elements. For example, NaCl is also a compound but [tex]Cl_{2}[/tex] is not a compound.
Whereas it is known that gases exist as diatomic molecules. For example, [tex]Cl_{2}[/tex], [tex]N_{2}[/tex], [tex]Br_{2}[/tex] are all gases.
Therefore, we can conclude that the particles of a gas are molecules.
Answer: The particles of a gas are ATOMS OR MOLECULES.
Hope this helps
For the reaction shown here, 3.5 mola is mixed with 5.9 molb and 2.2 molc. what is the limiting reactant?3a+2b+c→2d
The limiting reactant is substance a because we need 8.85 mol based on the stoichiometry of the reaction, but only have 3.5 mol. Substances b and c have more than needed to react completely with a. Therefore, a is the reactant that will run out first, limiting the amount of product d that can be formed.
Explanation:To determine the limiting reactant in the chemical reaction 3a+2b+c→2d, we first calculate the number of moles of each substance. We were given 3.5 mol of a, 5.9 mol of b, and 2.2 mol of c. Using the stoichiometric ratios from the balanced chemical equation, we calculate the amount of each reactant needed:
For a: (5.9 mol b) / (2 mol b) × (3 mol a) = 8.85 mol a neededFor b: (3.5 mol a) / (3 mol a) × (2 mol b) = 2.33 mol b neededFor c: Since the stoichiometric ratio is 1:1 with a, and we have 3.5 mol of a, we need 3.5 mol of cSince 8.85 mol of a is needed but only 3.5 mol is present, a is the limiting reactant. To find the excess reactants, we identify the amount of b and c that would react with the 3.5 mol of a:
For b: (3.5 mol a) × (2 mol b) / (3 mol a) = 2.33 mol b would react, leaving (5.9 mol - 2.33 mol) = 3.57 mol b in excessFor c: Since c reacts in a 1:1 ratio with a, (2.2 mol - 3.5 mol) would indicate c is also a limiting reactant, but a runs out firstLearn more about Limiting Reactant here:https://brainly.com/question/33417913
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For the reaction shown here, 5.7 mol A is mixed with 3.2 mol B and 2.5 mol C. The limiting reactant is . B
By comparing the mole ratios of reactants A, B, and C to their stoichiometric coefficients, we find that B has the smallest mole ratio, making it the limiting reactant.
For the reaction 3A + 2B + C → 2D, we begin by comparing the mole ratios of the reactants given: 5.7 mol A, 3.2 mol B, and 2.5 mol C.
First, we check the mole ratio of A: 5.7 mol A / 3 = 1.90.Next, we check the mole ratio of B: 3.2 mol B / 2 = 1.60.Finally, we check the mole ratio of C: 2.5 mol C / 1 = 2.50.The limiting reactant is the one with the smallest mole ratio compared to the stoichiometric coefficients.
Since B has the smallest mole ratio (1.60), it is the limiting reactant.
Correct question is: For the reaction shown here, 5.7 mol A is mixed with 3.2 mol B and 2.5 mol C. What is the limiting reactant?
3A+2B+C→2D
a. A.
b. B.
c. C.
d. D
Which item is made from a basic ingredient?
Soap
Tea
Wine
Vinegar
Answer:
vinegar is made from the most basic ingredient
Explanation:
How reactive is an atom of Sodium(Na) and why?
Which of the following statements is true? Temperature is the same as heat. Heat can travel through a vacuum. Heat has shorter wavelengths than visible light. All of the a
Final answer:
Heat can indeed travel through a vacuum, as it does not require a medium, contrasting with the false statement that heat and temperature are the same or that heat has shorter wavelengths than visible light.
Explanation:
The statement that heat can travel through a vacuum is true. Heat, in the form of infrared radiation, does not require a medium to travel. This is why we can feel the heat from the Sun, despite the vacuum of space. It's important to note that heat and temperature are not the same; temperature is a measure of the average kinetic energy of particles in a substance, while heat refers to the transfer of this energy between bodies or systems. Furthermore, electromagnetic radiation, which includes heat, has a wide range of wavelengths, with heat generally having longer wavelengths than visible light. Therefore, the statement that heat has shorter wavelengths than visible light is incorrect.
When 25.0 ml of 0.500 m h2so4 is added to 25.0 ml of 1.00 m koh in a coffee-cup calorimeter at 23.50°c, the temperature rises to 30.17°c. calculate h of this reaction per mole of koh. (assume that the total volume is the sum of the volumes and that the density and specific heat capacity of the solution are the same as for water.)?
To calculate the ∆H of the reaction per mole of KOH, we use the thermal energy absorbed by the water (q), obtained from the mass, specific heat, and temperature change, and then divide by the moles of KOH present in the solution.
Explanation:When 25.0 mL of 0.500 M H2SO4 is mixed with 25.0 mL of 1.00 M KOH in a coffee-cup calorimeter, and the temperature changes from 23.50°C to 30.17°C, we can calculate the enthalpy change (∆H) of the neutralization reaction per mole of KOH. Assuming no heat loss to the calorimeter, and that the solution's density and specific heat capacity are the same as water's, we find the heat absorbed by the solution (q) using the formula:
q = m × C × ∆T
Where m is the mass of the solution, C is the specific heat capacity, and ∆T is the change in temperature. The total volume of the solution is 50.0 mL, which we can convert to grams (density of water = 1.00 g/mL). The specific heat capacity of water (C) is typically 4.184 J/g°C, and ∆T is the temperature change (30.17°C - 23.50°C).
A particle of gas travels at a speed of 2.44x10^5 inches/sec. How many kilometers per hour is this speed?
Which mineral is a component of stomach acid?
a. potassium
b. sodium
c. chloride
d. phosphorus?
The acid present in the stomach is hydrochloric acid HCl. Thus, the mineral present in the stomach acid is chloride.
What is HCl ?HCl , the hydrochloric acid is a strong acid formed by the covalent bonding between hydrogen and chlorine atom. HCl is present inside our stomach and it aids for the digestion of food.
Minerals are naturally occurring inorganic materials with a definite chemical composition. There are a number of minerals that are very essential for living and are present inside living matter.
HCl is providing the ambient chemical environment for the digestion process in our body. Thus, minerals of chloride ions (Cl-) are present in the stomach acid. Hence, option c is correct.
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What is the element produced when 44ti undergoes electron capture?
When titanium undergoes elctron capture
22Ti + e- 21Sc + Ve
so on electron capture of titanium produces Scandium
so your answer is Sc
What do scientists mean when they speak of a phase or state of matter?
What two actions are required to work together to move water to the top of tall plants? capillary action and gravity evaporation and capillary action adhesion and cohesion surface tension and gravity
Evaporation and capillary action are required to work together to move water to the top of tall plants. Evaporation is a kind of condensation that happens in the form of a liquid as it transforms into the gas state when it approaches its boiling point.
Temperature, surface area and intermolecular forces are the factors which affect evaporation. Capillary action is the capacity of a liquid to move in confined areas without the help of forces, which are provided by outside like gravitational force which is due to earth.
These two phenomena are required to flow water or liquid to the top of tall plants.
You need evaporation and capillary action to move water to the top of tall plants.
I hope this helps :D
What will happen if you put some 20 ∘c water in a vacuum chamber and reduce the pressure to less than 18 mmhg?
The answer is the water will boil. The water boils because of a reduction in the air pressure due to the reduced weight of air column above. This also reduces the collision of water molecules with air molecules at the surface hence allowing the water molecules to easily escape into the atmosphere. This means that the boiling point of the water is easily reached under low air pressure.
The water was at 20°C and when it was subjected to experience reduced pressure in a vacuum chamber where there was no exchange of energy was possible. The system was isolated from the surrounding and when the system was brought to low pressure of less than 18 mmhg the molecules of water expanded and the collision rate between the molecules increased which brought early boiling of the water molecules than normal conditions.
When a fuel burns, what determines whether co or co^2 will be produced?
Whether CO or CO₂ is produced when a fuel burns depends on the availability of oxygen; ample oxygen leads to CO₂, limited oxygen to CO. Stoichiometry and bond energies are also important factors in combustion reactions, which release energy used in power and electricity, while also impacting the environment.
The production of either carbon monoxide (CO) or carbon dioxide (CO₂) when a fuel burns is largely determined by the availability of oxygen during the combustion process. In a reaction where there is ample oxygen, such as 2C₈H₁₈ (l) + 25O₂(g) → 16CO₂(g) + 18H₂O(g) + heat, the carbon in the fuel is fully oxidized to CO₂. However, with a limited oxygen supply, incomplete combustion occurs, leading to the production of carbon monoxide. For instance, 2 C (s) + O₂(g) → 2 CO(g) demonstrates how limited oxygen creates a predominance of CO. The precise stoichiometry of reactants and the strength of chemical bonds involved in the reaction play a critical role in the energy released during the combustion process. When we burn fuels such as paraffin, coal, propane, and butane, these chemical changes release huge amounts of energy that we utilize for power and electricity. At the same time, carbon dioxide (a greenhouse gas) is released, impacting the environment negatively.
What is the smallest radius of an unbanked (flat) track around which a bicyclist can travel if her speed is 31 km/h and the coefficient of static friction between the tires and the road is 0.29?
Write an equation for the formation of bf3(g) from its elements in their standard states.
The formation of BF3(g) from its elements in their standard states is described by the equation B(s) + 3F2(g) -> BF3(g). The reaction involves the solid boron reacting with three moles of fluorine gas to form boron trifluoride gas.
Explanation:The formation of BF3(g) from its elements in their standard states is represented by the following equation:
B(s) + 3F2(g) -> BF3(g)
This equation represents the formation of one mole of boron trifluoride (BF3) gas from boron in its standard state (solid) and fluorine in its standard state (gaseous). In this reaction, solid boron reacts with three moles of fluorine gas to form one mole of boron trifluoride gas. This type of equation is typically used in calculations involving energetics, for example when calculating the standard enthalpy change of formation.
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The formation of boron trifluoride (BF3) from its elements boron (B) and fluorine (F2) in their standard states is represented by the equation: B(s) + 3/2 F2(g) -> BF3(g).
Explanation:Boron trifluoride (BF3) is formed from its elements boron (B) and fluorine (F2) in their standard states. The equation for the formation of BF3 from its elements in their standard states can be written as:
B(s) + 3/2 F2(g) -> BF3(g).
Here, solid boron (B) reacts with fluorine gas (F2) to form boron trifluoride gas (BF3). This process involves the breaking of F-F bonds in F2 and the formation of new B-F bonds in BF3. The total energy involved in this conversion is equal to the experimentally determined enthalpy of formation of the compound from its elements.
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What would be the formula for an alkane which contained 42 hydrogen atoms? C____H42 20 21 22 23
Answer : The formula for an alkane which contained 42 hydrogen atoms is, [tex]C_{20}H_{42}[/tex]
Explanation :
The general representation of alkane is, [tex]C_nH_{2n+2}[/tex]
As we are given the number hydrogen atoms which is equal to 42. Now we have to determine the number of carbon atoms.
As,
[tex]2n+2=42\\\\2n=42-2\\\\2n=40\\\\n=\frac{40}{2}\\\\n=20[/tex]
Thus, the number of carbon atoms is, 20
Therefore, the formula for an alkane which contained 42 hydrogen atoms is, [tex]C_{20}H_{42}[/tex]
What is the absolute structural necessity for an alcohol to be oxidized with chromium trioxide?
The structural feature necessary for an alcohol to be oxidized by chromium trioxide is the presence of a -OH group bonded to a carbon linked to a minimum of one other carbon atom. The placement of the -OH group influences the product of oxidation. Furthermore, the toxicity and solubility of Chromium compounds should be considered.
Explanation:To be oxidized by chromium trioxide, the alcohol must have its hydroxyl (-OH) group attached to a carbon atom with a certain number of other carbon atoms bonded to it. For instance, alcohols that have their –OH groups in the middle of the chain are necessary to synthesize a ketone, requiring the carbonyl group to be bonded to two other carbon atoms. On the other hand, an alcohol with its -OH group bonded to a carbon atom that is bonded to no or one other carbon atom will form an aldehyde.
If the carbon atom bonded to an -OH group is attached to three other carbons without any hydrogen, the molecule won't undergo oxidation as there's no C-H bond to be replaced. Moreover, the oxidation process involving chromium relies on a stoichiometric relationship indicating that three moles of electrons are needed per mole of chromium.
It is important to recognize that chromium exists in different forms — Cr(III) and Cr(VI), each with distinct properties. Cr(VI) especially forms compounds reasonably soluble in water and is much more toxic.
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How is a food web different from a food chain?
A)Food webs contain only producers, not consumers
B)Food webs do not include decomposers
C)Food webs contain many different, linked food chains
D)Food webs exist in aquatic environments; food chains exist in terrestrial environments
How many total atoms are in 0.830 g of p2o5?
Answer:
[tex]2.46x10^{22}atoms[/tex]
Explanation:
Hello,
In this case, we need to compute the atoms of both phosphorous and oxygen, taking into account the following mass-mole-atoms relationship:
[tex]Molar,mass=31*2+16*5=142g/mol\\atomsP=0.830gP_2O_5*\frac{1molP_2O_5}{142gP_2O_5} *\frac{2molP}{1molP_2O_5} *\frac{6.022x10^{23}atomsP}{1molP}=7.04x10^{21}atomsP\\atomsO=0.830gP_2O_5*\frac{1molP_2O_5}{142gP_2O_5} *\frac{5molO}{1molP_2O_5} *\frac{6.022x10^{23}atomsO}{1molO}=1.76x10^{22}atomsO[/tex]
Now, by adding each result, we've got:
[tex]atoms=1.76x10^{22}atomsP+7.04x10^{21}atomsO=2.46x10^{22}atoms[/tex]
Best regards.
Final answer:
To find the total atoms in 0.830 g of P2O5, calculate its moles, then multiply by Avogadro's number and atoms per molecule, resulting in approximately 2.46×1022 atoms.
Explanation:
To determine the total number of atoms in 0.830 g of P2O5, we first need to calculate the number of moles of P2O5.The molar mass of P2O5 can be calculated by adding the molar masses of phosphorus (P) and oxygen (O) in the compound. The molar mass of phosphorus is 30.973761 g/mol, and the molar mass of oxygen is 15.9994 g/mol. Therefore, for P2O5:2P: (2 atoms)(30.973761 g/mol) = 61.947522 g/mol5O: (5 atoms)(15.9994 g/mol) = 79.9970 g/mol The molar mass of P2O5 = 61.947522 g/mol + 79.9970 g/mol = 141.944522 g/mol. Now, to find the number of moles of P2O5 in 0.830 g:Number of moles = mass / molar mass = 0.830 g / 141.944522 g/mol = 0.005846 mol. Since one molecule of P2O5 contains 2 atoms of phosphorus and 5 atoms of oxygen, totalling 7 atoms, the total number of atoms in the sample is calculated by multiplying the number of moles by Avogadro's number (6.022×1023 atoms/mol) and then by the number of atoms per molecule: Total number of atoms = 0.005846 mol × 6.022×1023 atoms/mol × 7 atoms/molecule = 2.46×1022 atoms.
The density of a liquid whose boiling point is 63-65 c was determined to be 0.74 +0.5 g/ml. what is the liquid?
The liquid whose density is 0.74 +0.5 g/ml is likely to be ethyl alcohol (ethanol).)
The liquid in question is likely pentane based on its physical properties. Detailed measurements of density help in identifying unknown liquids.
For example, the density of a liquid with a mass of 31.1415 g and a volume of 30.13 cm³ is approximately 1.03 g/cm³.The liquid with a boiling point of 63-65°C and a density of 0.74 g/mL can be identified based on these properties. One common liquid that meets these criteria is pentane, which has a boiling point of approximately 36.1°C and a density close to the given value within experimental error.To ensure the accuracy of this identification, more precise measurements might be necessary, but pentane is a good candidate for this description considering its physical properties.Check Your Learning Example
To find the density of a liquid with a mass of 31.1415 g and a volume of 30.13 cm³, use the formula:Density = Mass / VolumeDensity = 31.1415 g / 30.13 cm³ ≈ 1.03 g/cm³This example illustrates the process of determining the density of a liquid, which is essential for identifying unknown substances.
Correct question is: The density of a liquid whose boiling point is 63-65°C was determined to be 0.74 +0.5 g/ml. what is the liquid?
Which law relates to the ideal gas law?
Answer:
The answer on Ed is C :
VI /n1 = V2 / n2.
Explanation:
Write an equation that shows the formation of a copper (I) ion from a neutral copper atom
Answer: The equation is written below.
Explanation:
Copper is the 29th element of the periodic table having electronic configuration of [tex][Ar]3d^{10}4s^1[/tex]
When an atom looses an electron to form positive ion, it is called an oxidation reaction.
Copper will loose 1 electron to form +1 ion. The equation for the formation of copper (I) ion from neutral copper atom follows:
[tex]Cu\rightarrow Cu^++1e^-[/tex]
Hence, the equation is written above.
Which actions are appropriate and safe when working with electrical equipment?Select all that apply. keep your station dry Pull on the plug, not the cord keep your station wet Wet your hands
Explanation:
It is known that when working with an electrical appliance then your hands must be dry because otherwise an electrical shock might occur.
Water is a good solvent and electrons can flow through it easily. Also, your work station must be dry also as it might also lead to an electrical shock.
Your plug must be pull on because otherwise some amount of electric current will still flow into the circuit. And, there are chances of getting an electric shock.
Hence, we can conclude that actions which are appropriate and safe when working with electrical equipment are as follows.
keep your station dry.Pull on the plug, not the cord.Sodium benzoate is a food preservative what are its formula and its solubility in water
Sodium benzoate, with the formula C₆H₅COONa, is an effective food preservative that functions by reducing intracellular pH. It is found in various food items and is quite soluble in water, with about 62.69 g dissolving in 100 mL of water.
Explanation:Sodium benzoate is a commonly used food preservative, with the chemical formula C₆H₅COONa. It works to preserve food by reducing the intracellular pH, thus inhibiting the growth of bacteria and fungi.Sodium benzoate is generally considered nontoxic and is found in several food items including jams, soft drinks, pastries, and chewing gum.
When coming to its solubility in water, it is quite soluble: approximately 62.69 g can dissolve in 100 mL of water at 25 °C. Therefore, it can be dissolved in water quite easily, making it an effective option for food preservation.
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What is the solubility of m(oh)2 in a 0.202 m solution of m(no3)2? ksp = 9.05×10−18?
The solubility of M(OH)2 in a 0.202 M solution of M(NO3)2 is approximately 0.202 M.
Explanation:To determine the solubility of M(OH)2 in a 0.202 M solution of M(NO3)2, we need to use the solubility product constant (Ksp) and solve for the molar solubility (M) of M(OH)2.
The equation for the dissolution of M(OH)2 is:
M(OH)2 → M²⁺ + 2OH⁻
Using the given Ksp value of 9.05 x 10-18, we can set up the expression for Ksp:
Ksp = [M²⁺] * [OH⁻]2
Since the molarity of M(NO3)2 is 0.202 M, the concentration of M²⁺ ions is also 0.202 M.
Let's assume the molar solubility of M(OH)2 is M. Therefore, the concentration of OH⁻ ions would be 2M (because of the 2:1 stoichiometric ratio).
Substituting the values into the expression for Ksp and solving for M, we get:
Ksp = (0.202)(2M)2
9.05 x 10-18 = 0.404 M²
Taking the square root of both sides:
M = 0.202 M
Therefore, the solubility of M(OH)2 in a 0.202 M solution of M(NO3)2 is approximately 0.202 M.
What is the mass of 1.70 moles of magnesium chloride, MgCl2?
How many grams of CaF2 would be needed to produce 1.23 moles of F2?
We see from the chemical formula itself that there is 1 mole of F2 for every 1 mole of CaF2, hence the number of moles of CaF2 is also:
moles CaF2 = 1.23 moles
The molar mass of CaF2 is 78.07 g/mol, so the mass is:
mass CaF2 = 78.07 g / mol * 1.23 mol
mass CaF2 = 96.03 grams
Final answer:
To calculate the grams of CaF₂ needed to produce 1.23 moles of F₂, you need to find the molar mass of CaF₂, which is 78.08 g/mol. Then, use the formula grams of CaF₂ = moles of F₂ x molar mass of CaF₂ to calculate the answer, which is 96.0784 grams of CaF₂.
Explanation:
To calculate the grams of CaF₂ needed to produce 1.23 moles of F₂:
Find the molar mass of CaF₂ (calcium fluoride):
Molar mass of CaF₂ = 40.08 g/mol (Ca) + 2(19.00 g/mol (F)) = 78.08 g/mol
Use the formula: grams of CaF₂ = moles of F₂ x molar mass of CaF₂
Substitute values: grams of CaF₂ = 1.23 moles x 78.08 g/mol = 96.0784 grams of CaF₂
2. Why was it important to examine both the color and the streak of your minerals? Think about streak and explain why it’s called a mineral’s “true color”. Answer in at least 2 sentences.