Chemistry 12 Review

What is the mass of one mole of AuCl₃?

• 96g
• 130g
• 232.5g
• 303.5g

What is the molar mass of NaOH?

• 368 g/mole 
• 40 g/mole
• 57 g/mole
• 23 g/mole

What is the mass of one mole of (NH₄)₂CO₃?

• 144g
• 138g
• 96g
• 74g

If you have moles on top, what do you need on the bottom of the conversion factor to be?

• atoms

• particles

• grams

• moles

Which conversion factor should be used to solve the following, "How many moles in 28 grams of CO₂?"

• 1 mol = 22.4 L 
• 1 mol = 44.01 g
• 1 mol = 6.02x10²³ atoms
• more than one

36.0 g of Be contains how many moles?

• 0.25 mol
• 4.0 mol
• 45 mol
• 320 mol

How many moles are in 22 g of argon? 

• 880 moles
• 0.55 moles
• 1.81 moles
• 5 moles

How many grams are in 11.9 moles of chromium?

• 50 g
• 619 g
• 0.23 g
• 4.4 g

How many grams are in 4.5 moles of sodium fluoride, NaF?

• 0.1 g
• 9.3 g
• 100 g
• 189 g

The number 6.02 x 10²³, which is the number of particles found in a mole. 

• molar mass
• mole
• Avogadro's number
• hydrate