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3. A stock solution of KCl(74.56gmol1) contains 117.6g of KCl per liter of solution. The solution's density at 20C is 1.0781gmL1. What is the solution

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3. A stock solution of KCl(74.56gmol1) contains 117.6g of KCl per liter of solution. The solution's density at 20C is 1.0781gmL1. What is the solution concentration of the solution in %w/w ? A. 1.176% B. 1.267% C. 1.577% D. 10.91% E. 12.68%

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