Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:KCr2(SO4)2.12H2O -- 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: KCr2(SO4)2.12H2O
Molar Mass: 551.3796 g/mol        1g=1.81363256819803E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  1                  39.098                        7.09%
Cr                2                  51.996                        18.86%
S                  2                  32.06                         11.63%
O                  20                15.999                        58.03%
H                  24                1.0079                        4.39%

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