Molar and molecular weight of Ca(BH4)2

• Molecular formula: Ca(BH4)2 or H8B2Ca
• Relative molecular weight of Ca(BH4)2: 69.76352
• Molar mass of Ca(BH4)2: 69.76352 g/mol (0.06976 kg/mol)

Calculation of the relative molecular and molar mass of Ca(BH4)2

• Mr[Ca(BH4)2] = Ar[H] * 8 + Ar[B] * 2 + Ar[Ca] = 1.00794 * 8 + 10.811 * 2 + 40.078 = 69.76352
• Molar mass (kg/mol) = Mr[Ca(BH4)2] : 1000 = 69.76352 : 1000 = 0.06976 kg/mol

Ca(BH4)2: percent composition by element

• Hydrogen (H) = 8.06352 : 69.76352 * 100 = 11.558 %
• Boron (B) = 21.622 : 69.76352 * 100 = 30.993 %
• Calcium (Ca) = 40.078 : 69.76352 * 100 = 57.448 %

Molar mass calculator