Molar Mass

What is the molar mass of CaCO₃?

• 100.09 g/mol

• 88.21 g/mol

• 64.49 g/mol

• 52.84 g/mol

What is the molar mass of Cu(NO₃)₂?

• 202.84 g/mol

• 187.56 g/mol

• 163.49 g/mol

• 122.28 g/mol

What is the molar mass of KCl?

• 42.69 g/mol

• 55.21 g/mol

• 74.55 g/mol

• 102.26 g/mol

What is the molar mass of SrBr₂?

• 300.41 g/mol

• 380.25 g/mol

• 202.55 g/mol

• 247.43 g/mol

What is the molar mass of Ba(OH)₂?

• 171.35 g/mol

• 145.69 g/mol

• 102.35 g/mol

• 198.64 g/mol

If a 0.4 mole sample of a substance weights 25 g, what is the molar mass of the substance?

• 10 g/mol

• 62.5 g/mol

• 0.016 g/mol

• 48 g/mol

If a 1.2 mole sample of a substance weights 300 g, what is the molar mass of the unknown substance?

• 0.004 g/mol

• 360 g/mol

• 250 g/mol

• 210 g/mol

If a 0.8 mole sample of a substance weights 60 g, what is the molar mass of the substance?

• 75 g/mol

• 48 g/mol

• 0.013 g/mol

• 80 g/mol

If a 1.5 mole sample of a substance weighs 42 g, what is the molar mass of the unknown substance?

• 0.035 g/mol

• 24 g/mol

• 63 g/mol

• 28 g/mol

If a 3.2 mole sample of a substance weighs 480 g, what is the molar mass of the unknown substance?

• 120 g/mol

• 150 g/mol

• 1536 g/mol

• 1490 g/mol