C18H15O3P - molar and relative molecular mass

← Molecular and molar mass

Molecular formula: C18H15O3P or (C6H5O)3P
Relative molecular weight of C18H15O3P: 310.283662
Molar mass of C18H15O3P: 310.283662 g/mol (0.31028 kg/mol)

Element	Total atoms	Atomic mass	Total mass
C (Carbon)	18	12.0107	216.1926
H (Hydrogen)	15	1.00794	15.1191
O (Oxygen)	3	15.9994	47.9982
P (Phosphorus)	1	30.973762	30.973762
			310.283662

Calculation of the relative molecular and molar mass of C18H15O3P

Mr[C18H15O3P] = Ar[C] * 18 + Ar[H] * 15 + Ar[O] * 3 + Ar[P] = 12.0107 * 18 + 1.00794 * 15 + 15.9994 * 3 + 30.973762 = 310.283662
Molar mass (kg/mol) = Mr[C18H15O3P] : 1000 = 310.283662 : 1000 = 0.31028 kg/mol

C18H15O3P: percent composition by element

Carbon (C) = 216.1926 : 310.283662 * 100 = 69.676 %
Hydrogen (H) = 15.1191 : 310.283662 * 100 = 4.873 %
Oxygen (O) = 47.9982 : 310.283662 * 100 = 15.469 %
Phosphorus (P) = 30.973762 : 310.283662 * 100 = 9.982 %

Molar mass calculator

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Relative molecular weights of other substances

Hg(NO3)2 [324.5998]
Hg(SCN)2 [316.7548]

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