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26 October, 22:11

How many moles are present in 9.15 grams of h2o

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  1. 26 October, 22:14
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    First, find the molar mass of H2O. It may vary depending on your source. Use the source your teacher gave you.

    I got 18.015 g/mol as the molar mass of water.

    Then you basically do some math to figure out the amount of moles ...

    9.15 grams * (1 mole H2O) / (18.015 grams H2O) =.5079

    There is approximately. 51 moles present.
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