junnreemontilla junnreemontilla

23-10-2022
Mathematics

Answered

A chemist needs to prepare 500ml of copper-sulfate solution with a 15% concentration. In order to do this, he wishes to use a high-concentration solution (70%) and dilute it with a low-concentration solution (5%). How much of each solution should he use? Let the amount of high-concentration solution be h and the amount of low-concentration solution be l.

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