Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:h402 -- 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: h402
Molar Mass: 405.1758 g/mol        1g=2.46806447966537E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
h                  402              1.0079                        100%

Top Use: Molar Mass Calculator Formula: Co2(Cr2O7)3 Recent user inquiry: 12/17/2025 09:00Molar Mass Calculator Formula: V2O5 12/17/2025 09:00Molar Mass Calculator Formula: C12H11NO2 12/17/2025 08:59Molar Mass Calculator Formula: C7H14PO5 12/17/2025 08:59Molar Mass Calculator Formula: co2c6h4no2 12/17/2025 08:59Molar Mass Calculator Formula: 1.58