Compound Stoichiometry

What is the molar mass of Na₂CO₃?

• 22.99 g/mol

• 105.99 g/mol

• 96.00 g/mol

• 125.98 g/mol

What is the molar mass of of CO?

• 44.01 g/mol

• 16.00 g/mol

• 2.02 g/mol

• 28.01 g/mol

What is the molar mass of LiOH?

• 23.95 g/mol

• 18.02 g/mol

• 36.46 g/mol

• 112.15 g/mol

What is the molar mass of C₂H₄O₂?

• Acetic Acid

• 100.09 g/mol

• 42.06 g/mol

• 60.06 g/mol

What is the molecular mass of fluorine gas, F₂?

• 19
• 38
• 9
• 18

What id the molar mass of UF₆?

• 101 g/mol

• 238 g/mol

• 257 g/mol

• 352 g/mol

Calculate the molar mass of Ba(C₂H₃O₂)₂

• 255.3 g/mol

• 237.3 g/mol

• 228.3 g/mol

• 196.3 g/mol

What is the percent by mass of oxygen in MgO?

• 20%
• 40%
• 50%
• 60%

What is the percent by mass of magnesium in MgO?

• 20%
• 40%
• 50%
• 60%

What percent of CaF₂ is Fluorine?

• 24%

• 49%

• 51%

• 65%