Mole Conversions Review

How many atoms of Oxygen are in Al2(SO4)3?

• 4

• 7

• 12

What is the molar mass of Fe?

• 26 g/mole
• 55.85 g/mole
• 56 g/mole
• 6.02 x 10²³ g/mole

Calculate the molar mass of NaBr.

• 22.99

• 79.90

• 102.9

• none of the above

Avogadro's number is:

• the weight of a carbon atom

• 6.02 x 10²³

• a dozen

• 5.00 x 10¹⁵

Is this the correct conversion factor you would use if you wanted to determine the number of atoms in 15.1 moles of NaCl?

• Yes, it is the correct conversion

• No, it is not the correct conversion

How many steps are in a gram to molecule conversion?

• 1
• 2
• 3
• 4

How many steps are in a gram to mole conversion?

• 1
• 2
• 3
• 4

What is the mass of one mole of silver (Ag)?

• 32.06 g

• 107.87 g

• 14.01 g

• 22.99 g

36.0 g of Be contains how many moles?

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

How many liters are in 8 moles of Neon gas?

• 179.2 L

• 2.8 L

• 0.357 L

• 161.36 L