Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:7(hno3) -- 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: 7(hno3)
Molar Mass: 70.0119 g/mol        1g=1.42832861270727E-02 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
h                  7.9              1.0079                        11.44%
n                  1.5              14.007                        30%
o                  3.4              15.999                        78.55%

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