Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2H2PO4.7h20 -- 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: Na2H2PO4.7h20
Molar Mass: 284.0714 g/mol        1g=3.52024174204091E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2                  22.9898                       16.19%
H                  2                  1.0079                        0.71%
P                  1                  30.974                        10.9%
O                  4                  15.999                        22.53%
h                  140              1.0079                        49.67%

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