Mathematics, 19.06.2020 06:57 juniorvalencia4

A scientist needs 20mL of a 18% acid solution for an experiment. The lab has available a 30% solution and a 10% solution. How many milliliters of the 30% solution and how many milliliters of the 10% solution should the scientist mix to make the 15% solution?

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A scientist needs 20mL of a 18% acid solution for an experiment. The lab has available a 30% solutio...

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