Molar and molecular weight of Cr(NO3)3

• Relative molecular weight of Cr(NO3)3: 238.0108
• Molar mass of Cr(NO3)3: 238.0108 g/mol (0.23801 kg/mol)

Calculation of the relative molecular and molar mass of Cr(NO3)3

• Mr[Cr(NO3)3] = Ar[Cr] + Ar[N] * 3 + Ar[O] * 9 = 51.9961 + 14.0067 * 3 + 15.9994 * 9 = 238.0108
• Molar mass (kg/mol) = Mr[Cr(NO3)3] : 1000 = 238.0108 : 1000 = 0.23801 kg/mol

Cr(NO3)3: percent composition by element

• Chromium (Cr) = 51.9961 : 238.0108 * 100 = 21.846 %
• Nitrogen (N) = 42.0201 : 238.0108 * 100 = 17.655 %
• Oxygen (O) = 143.9946 : 238.0108 * 100 = 60.499 %

Molar mass calculator