Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:NH4Cr2I7 -- 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: NH4Cr2I7
Molar Mass: 1010.3656 g/mol        1g=9.89740743350724E-04 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
N                  1                  14.007                        1.39%
H                  4                  1.0079                        0.4%
Cr                2                  51.996                        10.29%
I                  7                  126.905                       87.92%

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