Mathematics, 04.01.2020 01:31 sierravick123owr441

Achemist has 100ml of 25% acid solution. how much of the solution does she need to drain and replace with 70% acid solution to obtain 100ml of 60% acid solution?

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Achemist has 100ml of 25% acid solution. how much of the solution does she need to drain and replace...

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