Calculate molar mass (calculate molecular weight, Molar Mass Calculator).Formula:P5N7Cl8 -- 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: P5N7Cl8
Molar Mass: 536.543 g/mol        1g=1.86378351781684E-03 mol
Percent composition (by mass):
Element  Count           Atom Mass                %(by mass)
P                  5                  30.974                        28.86%
N                  7                  14.007                        18.27%
Cl                8                  35.453                        52.86%

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