Formula Mass/Gram Formula Mass

What is the definition of molar mass?

• number of grams per one mole of a substance
• whole number ratio that is a multiple of a chemical formula
• simplest, whole number ratio of a chemical formula
• 6.02 x 10^23 particles per one mole of a substance

Molar mass is in units of ________.

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

What is the molar mass of AuCl₃?

• 96 g
• 130 g
• 232.5 g
• 303.3 g

Which would have more atoms?

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

Mass of 1 mole of NaCl

• 58.5

• 23

• 35.5

• 67.6

Mass of 1 mole of K₂S

• 110.3

• 110

• 78.2

• 110.2

Mass of 1 mole of Cs₂SO₄

• 361.9

• 361.8

• 313.9

• 180

Mass of 1 mole of Pr(OH)₃

• 191.9

• 157.1

• 160.9

• 191

Mass of 1 mole of K₄Fe(CN)₆

• 368.3

• I did this one with you!!!!

Mass of 1 mole of (NH₄)₂SO₄

• 132.1

• 114.1

• 132

• 70.1