jacobsplashmaster jacobsplashmaster
  • 12-03-2017
  • Mathematics
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A chemist 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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Аноним Аноним
  • 13-03-2017
He/she should add 1.43 gallons of distilled water.
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