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Calculate molar mass |
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Calculations: Formula: Na2CuMn2O7 Molar Mass: 331.3886 g/mol 1g=3.01760531291662E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) Na 2 22.9898 13.87% Cu 1 63.54 19.17% Mn 2 54.938 33.16% O 7 15.999 33.8% |
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