Mathematics, 28.01.2020 07:31, sandaepoe001

Challenge. a chemist has a solution that is 20% peroxide and another solution
that is 70% peroxide. she wishes to make 100 l of a solution that is
35% peroxide. how much of each solution should she use?

Answers: 2

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Challenge. a chemist has a solution that is 20% peroxide and another solution
that is 70% pero...