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Calculate molar mass |
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| Calculations: Formula: H2B4O7 Molar Mass: 157.2528 g/mol 1g=6.35918724499659E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) H 2 1.0079 1.28% B 4 10.811 27.5% O 7 15.999 71.22% |
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