Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:K2Cr2O3 -- 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: K2Cr2O3
Molar Mass: 230.185 g/mol        1g=4.34433173317115E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  2                  39.098                        33.97%
Cr                2                  51.996                        45.18%
O                  3                  15.999                        20.85%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 10/31/2025 07:21Molar Mass Calculator Formula: CaO 10/31/2025 07:21Molar Mass Calculator Formula: Mg(OH)2 10/31/2025 07:21Molar Mass Calculator Formula: Na2CO3*7H2O 10/31/2025 07:21Molar Mass Calculator Formula: CaC2O4H2O 10/31/2025 07:21Molar Mass Calculator Formula: C4H11NO3Cl