Answer to Question #133640 in Chemistry for Junaid

Question #133640

Calculate the number of grams of solution necessary to provide the following:
a. 68.5 g of sodium chloride from a 12.0% sodium chloride solution

Expert's answer

12% means 12 grams NaCl / 100 g solution. Therefore:

68.5 g NaCl X (100 g Solution / 12 g NaCl) = 571 grams of solution is needed.

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