Molar Mass Learning Check

Molar Mass

Identify how to correctly Calculate the Molar Mass of an Element or Compound

Molar Mass

• The molar mass, also known as molecular weight, is the sum of the total mass in grams of all the atoms that make up a mole of a particular molecule.

• Measured in the unit: grams/mole

For Detailed Instructions watch these.

Multiple Choice

The molar mass of an element is equal to its...

• Atomic mass
• Atomic number
• Valence electrons

Multiple Choice

What is the molar mass of N₂O₅?

• 112.0 g/mol

• 108.0 g/mol

• 95.0 g/mol

• 300.0 g/mol

Multiple Choice

What is the molar mass of SF₆?

• 113.0 g/mol

• 166.0 g/mol

• 146.0 g/mol

• 72.0 g/mol

Multiple Choice

What is the molar mass of NaOH?

• 40 g/mol
• 38.989 g/mol
• 23.998 g/mol
• 57.004 g/mol

Multiple Choice

Molar mass is reported in units of ________.

• grams
• grams/mole
• mole