Mole-particle, Molar-Mass, Molar-Volume

Determine the volume in liters occupied by 0.030 moles of O₂ gas at STP.

• 0.672 L

• 0.6720 L

• 0.67 L

• 0.670 L

How many moles of argon gas atoms are present in 11.2 L at STP?

• 0.500 moles

• 1.00 mole

• 2.00 moles

• .5 moles

What is the volume of 0.05 moles of neon gas at STP?

• 1 L

• 2.24 L

• 1.12 L

• 22.4 L

How many moles of 26.9 L of water vapor are present at STP?

• 1.20 moles

• 1.50 moles

• 1.2 moles

• 1.3 moles

How many molecules are there in 500 moles of Cl₂?

What conversion would you use to solve?

• 6.02 x 10^23 molecules

• molar mass (grams)

• 22.4 L

Solve: How many molecules are there in 500 moles of Cl₂?

• 3.01 x 10^23 molecules

• 6.02 x 10^23 molecules

• 3 x 10^26 molecules

• 6.02 x 10^26 molecules

How many moles are there in 30 grams of H₃PO₄?

What conversion would you use to solve?

• 6.02 x 10^23 molecules

• molar mass (grams)

• 22.4 L

How many moles are there in 30 grams of H₃PO₄?

• 0.3 moles

• 0.31 moles

• 0.289 moles

• 0.215 moles

How many moles are in 5.75 x 10²⁴ atoms of Al?

What conversion would you use to solve?

• 6.02 x 10^23 molecules

• molar mass (grams)

• 22.4 L

How many moles are in 5.75 x 10²⁴ atoms of Al?

• 9.55 moles

• 9.57 moles

• 9.59 moles

• 9.61 moles