Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C4H11As -- 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: C4H11As
Molar Mass: 134.0525 g/mol        1g=7.45976389847261E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  4                  12.011                        35.84%
H                  11                1.0079                        8.27%
As                1                  74.9216                       55.89%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 4/29/2025 15:09Molar Mass Calculator Formula: KNH3 4/29/2025 15:09Molar Mass Calculator Formula: CH3COOCH2CH2H3 4/29/2025 15:09Molar Mass Calculator Formula: Fe(NO3)3. 9H2O 4/29/2025 15:09Molar Mass Calculator Formula: Bi2O3 4/29/2025 15:09Molar Mass Calculator Formula: 66