Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:(NH4)4V2O7 -- 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: (NH4)4V2O7
Molar Mass: 286.0304 g/mol        1g=3.49613187968831E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
N                  4                  14.007                        19.59%
H                  16                1.0079                        5.64%
V                  2                  50.9415                       35.62%
O                  7                  15.999                        39.15%

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