Molar Mass Quiz

What is the molar mass of H₂O?

• 6.02 x 10²³

• 16 g/mol

• 18.02 g/mol

• 17.01 g/mol

What is the molar mass NaCl?

• 58 g/mol

• 58.44 g/mol

• 57 g/mol

• 56.96 g/mol

What is the molar mass of Na₂CO₃?

• 51.00 g/mol

• 83.00 g/mol

• 73.99 g/mol

• 105.99 g/mol

What is the molar mass of Ca(NO₃)₂ ?

• 102.09 g/mol

• 164.10 g/mol

• 116.10 g/mol

• 100.10 g/mol

What is the molar mass of B₂(CO₃)₃?

• 153.65 g/mol

• 81.63 g/mol

• 105.65 g/mol

• 201.65 g/mol

What are the units for molar mass?

• moles

• atomic mass units (amu)

• grams/mole

• liters

What is the molar mass of CO₂?

• 56.02 g/mol

• 28.01 g/mol

• 32.00 g/mol

• 44.01 g/mol

How are the mole and molar masses of elements related?

• The molar mass of any substance is always equal to the mass of 1 mole of that substance

• The molar mass multiplied by 6.02 x 10²³ equals a mole of that substance.

• The molar mass is the number of particles in one mole of a substance

The mass of one mole of an element is equal to

• its atomic number from the periodic table, but in amus.

• its atomic mass from the periodic table, but in amus.

• its atomic mass from the periodic table, but in grams.

• its atomic number from the periodic table, but in grams.

What id the molar mass of F₂?

• 76.00 g/mol

• 2 g/mol

• 19.00 g/mol

• 38.00 g/mol