Calculating Molar Mass Day 1

Multiple Choice

In chemistry, a "mole" is:

• The mass of an atom

• a large number used to count particles

• based on the volume of a substance

Multiple Choice

How many potatoes are in one dozen potatoes?

• 10

• 12

• 2

• 6.02 x 10²³

Multiple Choice

How many atoms of iodine are in a mole of iodine?

• 53

• 63.55g

• 126.9

• 6.02 x 10²³

Multiple Choice

We use the periodic table to calculate...

• mass

• molar mass

• moles

Multiple Choice

What is the molar mass of NaCl?

• 58.45g/mol

• 28g/mol

• 12g/mol

• 6.02 x 10²³

Multiple Choice

What is the molar mass of C₂H₄O₂?

• 40g

• 50g

• 60g

• 68g

Multiple Choice

Which has more molecules?

• 1 mole H₂O

• 1 mole Al(OH)₃

• 1 mole NaCl

• There are all the same

Multiple Choice

What is the molar mass of Mg₃N₂?

• 191.6 g/mol

• 76.64 g/mol

• 38.32 g/mol

• 100.95 g/mol