Mathematics, 16.10.2019 06:30 quetzaliescalona
Achemist needs a 70% solution of tannic acid. how much distilled water must he add to 5 gallons of a 90% solution of acid to obtain the 70% solution?
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Achemist needs a 70% solution of tannic acid. how much distilled water must he add to 5 gallons of a...
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