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28 July, 02:56

How many molecules are in 67.0 grams of potassium chloride KCl

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  1. 28 July, 02:57
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    67g KCl (1 mol KCl/74.55g) = 0.8987256875 mol KCl

    0.8987256875 mol KCl (6.02*10^23 molecules / 1 mol)

    =5.410328638*10^23 molecules KCl
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