Molar Mass (Revised)

Front

What is the molar mass of an element?

Back

The molar mass of an element is equal to its atomic mass, expressed in grams per mole (g/mol).

Front

How do you calculate the molar mass of a compound?

Back

To calculate the molar mass of a compound, sum the molar masses of all the atoms in its chemical formula.

Front

What is the molar mass of CO₂? (C = 12, O = 16)

Back

The molar mass of CO₂ is 44 g/mol (12 + 2*16).

Front

Calculate the molar mass of H₂SO₄. (H = 1, S = 32, O = 16)

Back

The molar mass of H₂SO₄ is 98 g/mol (2*1 + 32 + 4*16).

Front

What is the mass of one mole of Helium (He)?

Back

The mass of one mole of Helium is 4 g.

Front

How do you calculate the molar mass of H₂O? (H = 1, O = 16)

Back

The molar mass of H₂O is calculated as 2 + 16 = 18 g/mol.

Front

What is the difference between atomic mass and molar mass?

Back

Atomic mass is the mass of a single atom, while molar mass is the mass of one mole of atoms, expressed in grams per mole.

Front

What unit is molar mass measured in?

Back

Molar mass is measured in grams per mole (g/mol).

Front

What is the molar mass of NaCl? (Na = 23, Cl = 35.5)

Back

The molar mass of NaCl is 58.5 g/mol (23 + 35.5).

Front

How many grams are in one mole of carbon?

Back

One mole of carbon has a mass of 12 g.