Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:K2Cr4O -- 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: K2Cr4O
Molar Mass: 302.179 g/mol        1g=3.30929680752137E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  2                  39.098                        25.88%
Cr                4                  51.996                        68.83%
O                  1                  15.999                        5.29%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 5/6/2025 04:53Molar Mass Calculator Formula: CaF2.3Ca3(PO4)2 5/6/2025 04:53Molar Mass Calculator Formula: c5h82o 5/6/2025 04:53Molar Mass Calculator Formula: Wo3 5/6/2025 04:52Molar Mass Calculator Formula: c7h8n402 5/6/2025 04:52Molar Mass Calculator Formula: H2C2H3O2