Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:K -- 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: K
Molar Mass: 39.098 g/mol        1g=2.55767558442887E-02 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  1                  39.098                        100%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 11/8/2025 18:20Molar Mass Calculator Formula: C2H6S2 11/8/2025 18:19Molar Mass Calculator Formula: NaNO 11/8/2025 18:18Molar Mass Calculator Formula: cb20 11/8/2025 18:17Molar Mass Calculator Formula: Th(NO3)4.H2O 11/8/2025 18:17Molar Mass Calculator Formula: NiO(Oh)