Molar Mass

The mass of one mole of substance is called (a)  

• molecular mass
• mole constant
• molar mass
• atomic weight

Molar mass is in units of (a)   .

• grams
• grams/mole
• mole
• moles/gram

What is the molar mass of AuCl3? (a)  

• 96 g
• 130 g
• 232.5 g
• 303.3 g

Which would have more atoms? (a)  

• 1 mole of Li
• 1 mole of Au
• 1 mole of Si
• None, all are equal

Which represents the greatest mass of sulfur?

• 1 gram of sulfur
• 1 molecule of sulfur
• 0.5 mole of sulfur
• 6.02 x 10²³ atoms of sulfur

What is the molar mass of table salt (NaCl)?

• 805 g/mol

• 35 g/mol

• 23 g/mol

• 58 g/mol

Calculate the molar mass of KOH.

• 28 g/mol

• 56 g/mol

• 84 g/mol

• 112 g/mol

What is the molar mass of Cl₂?

• 17 g/mol

• 35 g/mol

• 70 g/mol

• 89 g/mol

How many particles are in a mole?

• 602
• 602 million
• 602 moles
• 6.02 x 10²³

What is the molar mass of B₂(CO₃)₃?

• 81.632 g/mol
• 94.842 g/mol
• 38.822 g/mol
• 201.648 g/mol