Mathematics, 14.10.2019 16:30, depinedainstcom

Achemist has 300 grams of 20% hydrochloric acid solution. he wishes to drain some and replace it with an 80% solution so as to obtain a 25% solution. how many grams must he drain and replace with the 80% solution?

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Achemist has 300 grams of 20% hydrochloric acid solution. he wishes to drain some and replace it wit...

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