Mole and Volume Chemistry Worksheet
Explore the relationship between moles and volume of gases and solutions with this Grade 12 Chemistry worksheet, covering Avogadro's Law, molar volume, and concentration calculations.
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Mole and Volume Chemistry Worksheet
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Read each question carefully and answer to the best of your ability. Show all work for calculations. Use a periodic table as needed.
1. What is the molar volume of any ideal gas at Standard Temperature and Pressure (STP)?
1.0 L/mol
22.4 L/mol
6.022 x 10^23 L/mol
100 L/mol
2. Avogadro's Law states that equal volumes of all gases, at the same temperature and pressure, have the same number of:
masses
moles
densities
molecules, atoms or ions
3. The volume occupied by one mole of any gas at STP is called the .
4. The concentration of a solution is often expressed in , which is defined as moles of solute per liter of solution.
5. Calculate the volume occupied by 0.50 moles of CO2 gas at STP.
6. A solution contains 2.5 moles of NaCl in 500 mL of water. Calculate the molarity of the solution.
7. At constant temperature and pressure, the volume of a gas is directly proportional to the number of moles of the gas.
True
False
8. The ideal gas law (PV=nRT) can only be used for gases at STP.
True
False
Match the term to its correct definition.
9. Molar Volume
a. Moles of solute per liter of solution
10. Molarity
b. Volume occupied by one mole of a gas at STP
11. Avogadro's Number
c. 6.022 x 10^23 particles
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