Molar and molecular weight of (NH4)2CrO4

• Molecular formula: (NH4)2CrO4 or H8CrN2O4
• Relative molecular weight of (NH4)2CrO4: 152.07062
• Molar mass of (NH4)2CrO4: 152.07062 g/mol (0.15207 kg/mol)

Calculation of the relative molecular and molar mass of (NH4)2CrO4

• Mr[(NH4)2CrO4] = Ar[H] * 8 + Ar[Cr] + Ar[N] * 2 + Ar[O] * 4 = 1.00794 * 8 + 51.9961 + 14.0067 * 2 + 15.9994 * 4 = 152.07062
• Molar mass (kg/mol) = Mr[(NH4)2CrO4] : 1000 = 152.07062 : 1000 = 0.15207 kg/mol

(NH4)2CrO4: percent composition by element

• Hydrogen (H) = 8.06352 : 152.07062 * 100 = 5.302 %
• Chromium (Cr) = 51.9961 : 152.07062 * 100 = 34.192 %
• Nitrogen (N) = 28.0134 : 152.07062 * 100 = 18.421 %
• Oxygen (O) = 63.9976 : 152.07062 * 100 = 42.084 %

Molar mass calculator