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Calculate molar mass |
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| Calculations: Formula: 2c7h6o3 Molar Mass: 140.1214 g/mol 1g=7.13666863162943E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) c 7.2 12.011 61.43% h 8 1.0079 5.74% o 3.1 15.999 35.68% |
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