Mole to Volume Stoichiometry

When you are solving for molecules, atoms, and particles you always use what number?

• 6.02 X 10²³

• Lucky 7

• Guess

• 24

How many molecules are in 27.5 grams of NaOH

• 41.4 molecules

• 4.14 x 10²³ molecules

• 4.14 x 10²⁵ molecules

• 1.83 x 10^-21 molecules

Which conversion factor should be used to solve the following, "How many moles of argon atoms are present in 11.2 L of argon gas at STP?"

• 1 mol = 22.4 L 

• 1 mol = 39.95 g

• 1 mol = 6.02x10²³ atoms

• More than 1

Carbon dioxide gas and water vapour have molar masses of 44 g/mol and 18 g/mol respectively. Which statement(s) about these gases is/are correct?

• At the same temperature and pressure, they occupy the same volume

• At the same temperature and pressure, they occupy different volumes

• Samples of equal volumes of each gas would contain different no.s of moles of each gas

• Samples of equal volumes of each gas would contain the same no.s of moles of each gas

What is the volume occupied by 2 moles of an ideal gas at STP?

• 22.4 L

• 44.8 L

• 11.2 L

• 33.6 L

Which of the following is the correct conversion factor for moles to volume at STP?

• 1 mol = 22.4 L

• 1 mol = 24 L

• 1 mol = 6.02 x 10^23 L

• 1 mol = 1 L

If you have 44.8 L of nitrogen gas at STP, how many moles do you have?

• 1 mole

• 2 moles

• 3 moles

• 4 moles

What is the volume of 0.5 moles of oxygen gas at STP?

• 11.2 L

• 22.4 L

• 5.6 L

• 44.8 L

How many liters of hydrogen gas at STP are needed to react with 1 mole of oxygen gas to form water?

• 22.4 L

• 44.8 L

• 11.2 L

• 33.6 L

Which gas law is used to relate moles and volume at constant temperature and pressure?

• Boyle's Law

• Charles's Law

• Avogadro's Law

• Ideal Gas Law