Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C42H56O13 -- e-Tools Age

	Calculate molar mass
	Enter a chemical formula in the field below, pay attention to formula is case sensitive!!!	The formula should be entered as: H₂SO₄= H2SO4 CuSO₄.5H2O=CuSO4.5H2O 3BeO.Al2O₃.6SiO₂= (BeO)3.Al2O3.6SiO2

Calculations:
Formula: C42H56O13
Molar Mass: 768.8914 g/mol        1g=1.30057378714341E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  42                12.011                        65.61%
H                  56                1.0079                        7.34%
O                  13                15.999                        27.05%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 6/15/2026 12:34Molar Mass Calculator Formula: Au-197 6/15/2026 12:34Molar Mass Calculator Formula: Fe((CH2)2NCS2)3 6/15/2026 12:34Molar Mass Calculator Formula: C6H5NHNH2 6/15/2026 12:34Molar Mass Calculator Formula: Ni(CH3COO)3 6/15/2026 12:34Molar Mass Calculator Formula: HNCNH2NH(CH2)3CHNH2COOH