Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:C10H7K2O7S2 -- 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: C10H7K2O7S2
Molar Mass: 381.4743 g/mol        1g=2.6214085719536E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
C                  10                12.011                        31.49%
H                  7                  1.0079                        1.85%
K                  2                  39.098                        20.5%
O                  7                  15.999                        29.36%
S                  2                  32.06                         16.81%

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