Mathematics, 25.09.2019 14:50 mbol7123

Achemist has one solution that is 80% acid and another solution that is 30% acid. how much of the first (80%) solution is needed to make a 400 l solution that is 62% acid?

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Achemist has one solution that is 80% acid and another solution that is 30% acid. how much of the fi...