Molar mass

Molar Mass of Disodium Hydrogen Phosphate

The molar mass of disodium hydrogen phosphate (Na2HPO4) is 141.958 g/mol.

Disodium Hydrogen Phosphate at a glance

PropertyValue
Molar mass141.958 g/mol
Molecular weight141.958 u
Chemical formulaNa2HPO4
Monoisotopic mass141.940784 u
CAS number7558-79-4
PubChem CID24203

How to calculate the molar mass of disodium hydrogen phosphate

2 × 22.99 + 1 × 1.008 + 1 × 30.974 + 4 × 15.999 = 141.958 g/mol

  1. Count the atoms in Na2HPO4: Na 2, H 1, P 1, O 4.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 141.958 g/mol.

Elemental composition of disodium hydrogen phosphate

ElementAtomsAtomic weightMass (g/mol)Mass %
Na Sodium222.9945.9832.39%
H Hydrogen11.0081.0080.71007%
P Phosphorus130.97430.97421.819%
O Oxygen415.99963.99645.081%

Grams and moles of disodium hydrogen phosphate

AmountEquals
1 g0.0070443 mol
10 g0.070443 mol
100 g0.70443 mol
0.1 mol14.196 g
1 mol141.96 g
1 g, in particles4.2422 × 10^21