Molar mass of copper(I) oxide (Cu2O)

The molar mass of copper(I) oxide (Cu2O) is 143.091 g/mol.

cuprous oxide

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Copper × 2 63.546 = 127.092
Oxygen × 1 15.999 = 15.999
Total143.091 g/mol

Percent composition by element

  • Copper 88.82%
  • Oxygen 11.18%

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 CuO Copper(II) oxide Cu(OH)2 Copper(II) hydroxide Cu(NO3)2 Copper(II) nitrate Cu2CO3(OH)2 Malachite

FAQ

What is the molar mass of Cu2O?

The molar mass of copper(I) oxide (Cu2O) is 143.091 g/mol.

How do you calculate the molar mass of Cu2O?

Multiply the atomic mass of each element by the number of its atoms in Cu2O, then add the results: 2 × 63.546 (Cu) + 1 × 15.999 (O) = 143.091 g/mol.

What percentage of Cu2O is Copper?

Copper makes up 88.82% of the mass of copper(I) oxide (Cu2O).