Molar and molecular weight of Ca(H2PO4)2

• Molecular formula: Ca(H2PO4)2 or H4CaO8P2
• Relative molecular weight of Ca(H2PO4)2: 234.052484
• Molar mass of Ca(H2PO4)2: 234.052484 g/mol (0.23405 kg/mol)

Calculation of the relative molecular and molar mass of Ca(H2PO4)2

• Mr[Ca(H2PO4)2] = Ar[H] * 4 + Ar[Ca] + Ar[O] * 8 + Ar[P] * 2 = 1.00794 * 4 + 40.078 + 15.9994 * 8 + 30.973762 * 2 = 234.052484
• Molar mass (kg/mol) = Mr[Ca(H2PO4)2] : 1000 = 234.052484 : 1000 = 0.23405 kg/mol

Ca(H2PO4)2: percent composition by element

• Hydrogen (H) = 4.03176 : 234.052484 * 100 = 1.723 %
• Calcium (Ca) = 40.078 : 234.052484 * 100 = 17.124 %
• Oxygen (O) = 127.9952 : 234.052484 * 100 = 54.687 %
• Phosphorus (P) = 61.947524 : 234.052484 * 100 = 26.467 %

Molar mass calculator