Mole and Volume Worksheet
A Grade 11 Chemistry worksheet covering mole concept, molar mass, Avogadro's number, and volume calculations for gases.
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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 your work for calculations.
1. What is the molar volume of any ideal gas at Standard Temperature and Pressure (STP)?
22.4 L/mol
6.022 x 10^23 molecules/mol
1.00 L/mol
18.02 g/mol
2. How many moles are present in 44.8 Liters of O₂ gas at STP?
1 mole
0.5 moles
2 moles
4 moles
3. Avogadro's number is approximately particles per mole.
4. The volume of a gas is directly proportional to the number of moles when temperature and pressure are constant, according to Law.
5. One mole of any substance always has the same mass.
True
False
6. The molar mass of a compound is the sum of the atomic masses of all atoms in its chemical formula.
True
False
7. Calculate the number of moles in 88.0 grams of CO₂. (Atomic masses: C=12.01 g/mol, O=16.00 g/mol)
8. What volume would 3.5 moles of N₂ gas occupy at STP?
9. The image below shows a water molecule. Determine its molar mass.
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