Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:As2O52H2O -- 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: As2O52H2O
Molar Mass: 999.806 g/mol        1g=1.0001940376433E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
As                2                  74.9216                       14.99%
O                  53                15.999                        84.81%
H                  2                  1.0079                        0.2%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 5/12/2025 04:46Molar Mass Calculator Formula: NFI3 5/12/2025 04:46Molar Mass Calculator Formula: BaC2O4.(H2O) 5/12/2025 04:46Molar Mass Calculator Formula: CH3(NH2) 5/12/2025 04:46Molar Mass Calculator Formula: NCOCH3 5/12/2025 04:46Molar Mass Calculator Formula: 9H2O