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29 April, 09:10

How many moles of potassium iodide, KI, are in 50 grams?

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  1. 29 April, 11:32
    0
    0.30 mol.

    Explanation:

    The no. of moles of any compound is the mass of the compound divided by the molar mass of the compound:

    no. of moles (n) = mass/molar mass = (50.0 g) / (166.0 g/mol) = 0.30 mol.
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