Molar Mass of C₁₂H₂₂O₁₁ (Lactose)

Free online molecular weight calculation with detailed element breakdown

Molar Mass

342.30 g/mol

≈ 342 g/mol (rounded)

Element Breakdown

Symbol	Element	Atoms	Atomic Mass	Subtotal	%
O	Oxygen	11	15.9990	175.9890	51.41%
C	Carbon	12	12.0110	144.1320	42.11%
H	Hydrogen	22	1.0080	22.1760	6.48%

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