Answer to Question #199548 in General Chemistry for Grace Moore

General Chemistry

Question #199548

What is the percentage by mass of solution formed by dissolving 27.0 grams of HCl in 102.0 grams of water?

Expert's answer

Total mass = 27.0+102.0 = 129.0 g

Proportion:

129.0 – 100%

27.0 – x

"x = \\frac{27.0 \\times 100 \\; \\%}{129.0} = 20.93 \\; \\%"

Answer: 20.93 %

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