A chemistry student needs 10.00 g of isopropenylbenzene for an experiment. He has available 120. g of a 42.7% w/w solution of isopropenylbenzene in carbon tetrachloride.
Calculate the mass of solution the student should use.

The concentration of the solution, 42.7% w/w, indicates that there is 42.7 g of isopropenylbenzene (IPB) per 100 g of solution. Then, if the student needs 10.00 g IPB, the mass of solution the student should take will be:

10.00 g IPB · (100 g solution/42.7 g IPB) = 23.4 g solution.

Then, the mass of solution the student should use is 23.4 g.

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A chemistry student needs 10.00 g of isopropenylbenzene for an experiment. He has available 120. g of a 42.7% w/w solution of isopropenylbenzene in carbon tetrachloride. Calculate the mass of solution the student should use.

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A chemistry student needs 10.00 g of isopropenylbenzene for an experiment. He has available 120. g of a 42.7% w/w solution of isopropenylbenzene in carbon tetrachloride.
Calculate the mass of solution the student should use.