Molar mass of sodium sulfide (Na2S)

The molar mass of sodium sulfide (Na2S) is 78.04 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Sodium × 2 22.99 = 45.98
Sulfur × 1 32.06 = 32.06
Total78.04 g/mol

Percent composition by element

  • Sodium 58.92%
  • Sulfur 41.08%

Try another formula

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

Could not read that formula

Related compounds

Na2SO4 Sodium sulfate Na2S2O3 Sodium thiosulfate NaHSO4 Sodium bisulfate Na2SO3 Sodium sulfite Na2S2O3·5H2O Sodium thiosulfate pentahydrate Na2SO4·10H2O Sodium sulfate decahydrate

FAQ

What is the molar mass of Na2S?

The molar mass of sodium sulfide (Na2S) is 78.04 g/mol.

How do you calculate the molar mass of Na2S?

Multiply the atomic mass of each element by the number of its atoms in Na2S, then add the results: 2 × 22.99 (Na) + 1 × 32.06 (S) = 78.04 g/mol.

What percentage of Na2S is Sodium?

Sodium makes up 58.92% of the mass of sodium sulfide (Na2S).