Moles and Molar Mass Review

Avogadro’s number is:

• 6.02 x 10²²

• 6

• 6.02 x 10²³

• 3.01 x 10²³

What is the molar mass of NaCl?

• 49.46 g/mol

• 58.44 g/mol

• 152.92 g/mol

• 161.90 g/mol

What is the molar mass of MgF₂?

• 62.31 g/mol

• 67.62 g/mol

• 43.31 g/mol

• 86.62 g/mol

What is the molar mass of Li₂O?

• 22.94 g/mol

• 29.88 g/mol

• 45.88 g/mol

• 38.94 g/mol

What is the molar mass of Al₂O₃?

• 42.98 g/mol

• 69.96 g/mol

• 85.96 g/mol

• 101.96 g/mol

What is the molar mass of Al(NO₃)₃?

• 62.01 g/mol

• 88.99 g/mol

• 151.00 g/mol

• 213.01 g/mol

What is the molar mass of SrS?

• 87.62 g/mol

• 119.69 g/mol

• 151.76 g/mol

• 32.07 g/mol

What is the molar mass of CuBr₂?

• 145.23 g/mol

• 122.54 g/mol

• 223.35 g/mol

• 213.54 g/mol

What is the molar mass of NaOH?

• 40.00 g/mol

• 50.00 g/mol

• 60.00 g/mol

• 70.00 g/mol

What is the molar mass of (NH₄)₂S?

• 57.18 g/mol

• 68.17 g/mol

• 32.07 g/mol

• 17.04 g/mol