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Plz PLZ PLZ answer this
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Plz PLZ PLZ answer this

Plz PLZ PLZ answer this-example-1
User Marcos Duarte
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KCl has a molecular weight of 39+35 = 74 grams per mole, so 2 moles will have a mass of 148 grams.

Assuming the water has a density of 1000 grams per liter, the mass percentage of the KCl solution is 148/(1000+148) ≈ 0.12892 ≈ 12.9%
User Mcelik
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