Question

20 grams of a solute are present in 100 grams of
water. What is the mass percentage of solute in
the solution.​

Answer 1

Answer:

ANSWER

5% (w/v), by definition, means 5 grams of solute per 100 grams of solution.

Since the density is 1.2 g/ml, you can find the volume of 100 grams of solution.

100gsolution×1.2g1ml=83.33ml.

Hence

83.33ml×100ml5g=4.17g solute needed.

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Answer 2

Answer:

4.17 is the right answer

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