Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:c21h18o -- 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: c21h18o
Molar Mass: 286.3722 g/mol        1g=3.49195906585905E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
c                  21                12.011                        88.08%
h                  18                1.0079                        6.34%
o                  1                  15.999                        5.59%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 1/30/2025 18:02Molar Mass Calculator Formula: (Mg)4 1/30/2025 18:00Molar Mass Calculator Formula: 26.56 1/30/2025 18:00Molar Mass Calculator Formula: Cu(h2o)6.Cl2 1/30/2025 17:59Molar Mass Calculator Formula: Al23 1/30/2025 17:59Molar Mass Calculator Formula: C3H16O2