How many moles are in 15.3 grams of KNO3?

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How many moles are in 15.3 grams of KNO3?

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Thu Thủy 5 years 2021-07-30T05:13:22+00:00 1 Answers 17 views 0

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  1. MichaelMet
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    2021-07-30T05:14:38+00:00
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    Answer:

    0.151 mol

    Explanation:

    molar mass of KNO3 = (39.1 + 14 + 3×16) g/mol = 101.1 g/mol

    number of moles = mass/molar mass

    n = m/M = 15.3 g/(101.1 g/mol) = 0.151 mol

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