Mathematics

Mathematics, 14.09.2019 11:30, culbertchristi4887

Ascientist wants a 90 ounce acid solution with a concentration of 12%. she has concentrations of 8% and 18%. how much of each solution must she use to get the desired concentration?

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Mathematics, 29.07.2019 15:10, tsumugiisama

Two solutions of different concentrations of acid are mixed creating 40 ml of a solution that is 32% acid. one-quarter of the solution is made up of a 20% acid solution. the remaining three-quarters is made up of a solution of unknown concentration, c. which equation can be used to determine c, the unknown concentration?

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Mathematics, 26.08.2019 13:30, breemills9953

Two solutions of different concentrations of acid are mixed creating 40 ml of a solution that is 32% acid. one-quarter of the solution is made up of a 20% acid solution. the remaining three-quarters is made up of a solution of unknown concentration, c. which equation can be used to determine c, the unknown concentration?

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Mathematics, 14.10.2019 02:00, billycain9647

Ascientist wants a 66 ounce saline solution with concentration 12% . she has concentrations of 4% and 15% . how much of each solution must she use to get the desired concentration?

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