A 25.0-mL sample of potassium chloride solution was found to have a mass of 25.225 g. After the solution was evaporated to

Question

A 25.0-mL sample of potassium chloride solution was found to have a mass of 25.225 g.
After the solution was evaporated to dryness, the mass of the KCl residue was 1.396 g.
Calculate the (a) mass/mass percent concentration, and (b) molarity of the solution.

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