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Calculate molar mass |
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Calculations: Formula: Cu2AsS2 Molar Mass: 266.1216 g/mol 1g=3.75768069934947E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) Cu 2 63.54 47.75% As 1 74.9216 28.15% S 2 32.06 24.09% |
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