Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:2KH2PO4 -- 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: 2KH2PO4
Molar Mass: 138.0838 g/mol        1g=7.24197914599685E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
K                  1.1              39.098                        29.76%
H                  4                  1.0079                        2.91%
P                  1.1              30.974                        23.88%
O                  4.1              15.999                        47.79%

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