Molar mass of copper(II) oxide (CuO)

The molar mass of copper(II) oxide (CuO) is 79.545 g/mol.

cupric oxide

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Copper × 1 63.546 = 63.546
Oxygen × 1 15.999 = 15.999
Total79.545 g/mol

Percent composition by element

  • Copper 79.89%
  • Oxygen 20.11%

Try another formula

H2O NaCl CO2 C6H12O6 H2SO4 Ca(OH)2 CuSO4·5H2O C8H10N4O2

Could not read that formula

Related compounds

CuSO4 Copper(II) sulfate CuSO4·5H2O Copper(II) sulfate pentahydrate Cu2O Copper(I) oxide Cu(OH)2 Copper(II) hydroxide Cu(NO3)2 Copper(II) nitrate Cu2CO3(OH)2 Malachite

FAQ

What is the molar mass of CuO?

The molar mass of copper(II) oxide (CuO) is 79.545 g/mol.

How do you calculate the molar mass of CuO?

Multiply the atomic mass of each element by the number of its atoms in CuO, then add the results: 1 × 63.546 (Cu) + 1 × 15.999 (O) = 79.545 g/mol.

What percentage of CuO is Copper?

Copper makes up 79.89% of the mass of copper(II) oxide (CuO).