Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:7Fe(NH4)2(SO4)2 -- 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: 7Fe(NH4)2(SO4)2
Molar Mass: 291.0292 g/mol        1g=3.43608132792173E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Fe                1.1              55.84                         21.59%
N                  2.5              14.007                        12.03%
H                  14.9            1.0079                        5.18%
S                  2.2              32.06                         24.44%
O                  8.4              15.999                        46.38%

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