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11 March, 14:31

How many moles of PH3 are in 250.0 grams of PH3

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  1. 11 March, 14:59
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    Molecular mass of PH3 = 31+3*1=34 g

    Given mass=250 g

    Therefore, number of moles = 250/34 = 7.352 mols
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