Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:Mn(NO3)2*2H20 -- 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: Mn(NO3)2*2H20
Molar Mass: 323.112 g/mol        1g=3.09490207729827E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
Mn                1                  54.938                        17%
N                  4                  14.007                        17.34%
O                  12                15.999                        59.42%
H                  20                1.0079                        6.24%

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