Mole and Volume Chemistry Worksheet
Explore the relationship between moles, mass, and volume of gases at STP with this Grade 9 chemistry worksheet.
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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 gas at Standard Temperature and Pressure (STP)?
1.0 L
22.4 L
6.022 x 10^23 L
18.0 L
2. How many moles are present in 44.8 L of oxygen gas (O₂) at STP?
1 mole
2 moles
0.5 moles
4 moles
3. At STP, one mole of any gas occupies a volume of L.
4. The conditions of 0°C and 1 atm pressure are known as .
5. Calculate the volume occupied by 3.5 moles of methane (CH₄) gas at STP.
6. A container holds 11.2 L of an unknown gas at STP. How many moles of the gas are in the container?
7. The molar volume of a gas changes significantly with the type of gas at STP.
True
False
8. STP stands for Standard Temperature and Pressure.
True
False
9. Explain why the molar volume of any ideal gas is approximately the same at STP, regardless of its chemical composition.
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