A chemistry student needs 65.0g of acetone for an experiment. She has available 250. g of a 12.5% w/w solution of acetone in chloroform. Calculate the mass of solution the student should use. If there's not enough solution, press the No solution button. Round your answer to 3 significant digits.

Question

Chemistry

Sara Harvey

12 February, 10:40

A chemistry student needs 65.0g of acetone for an experiment. She has available 250. g of a 12.5% w/w solution of acetone in chloroform. Calculate the mass of solution the student should use. If there's not enough solution, press the No solution button. Round your answer to 3 significant digits.

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Answers (1)

Know the Answer?

Shyanne Odonnell · Answer 1

No solution.

Explanation:

12.5% w/w means 12.5 grams of solute in 100 g of solution.

In 100 g of solution we have 12.5 g of solute

250 g of solution have ___ (250. 12.5) / 100 = 31.25 g

250 grams of solution of acetone in chloroform, has 31.25 grams of acetone.

One solution is not enough to the student who needs 65 g.

She would need, two more bottles of 250 grams of solution.