Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:K2(Cr(C2O4)2(H2O)2).3h2o -- 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: K2(Cr(C2O4)2(H2O)2).3h2o
Molar Mass: 396.302 g/mol        1g=2.52332816892168E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  2                  39.098                        19.73%
Cr                1                  51.996                        13.12%
C                  4                  12.011                        12.12%
O                  10                15.999                        40.37%
H                  4                  1.0079                        1.02%
h                  6                  1.0079                        1.53%
o                  3                  15.999                        12.11%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 7/12/2026 18:50Molar Mass Calculator Formula: c4H8O2 7/12/2026 18:50Molar Mass Calculator Formula: co(NO3)3.6H2o 7/12/2026 18:50Molar Mass Calculator Formula: 2n2o5 7/12/2026 18:50Molar Mass Calculator Formula: (ZnO)50 7/12/2026 18:50Molar Mass Calculator Formula: c88