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20-06-2017
Chemistry

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How many molecules are in 67.0 grams of potassium chloride KCl

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20-06-2017

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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