Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Na2HPO4.12 H20 -- 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: Na2HPO4.12 H20
Molar Mass: 383.8535 g/mol        1g=2.60516056255837E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Na                2                  22.9898                       11.98%
H                  241              1.0079                        63.28%
P                  1                  30.974                        8.07%
O                  4                  15.999                        16.67%

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