Mathematics, 18.09.2019 05:50, 130005401
Achemist has 100g of 25% acid solution. how much of these solution he needs to drain and replace with 70% acid solution to obtain 100g of 60% acid solution?
Answers: 1
Achemist has 100g of 25% acid solution. how much of these solution he needs to drain and replace wit...
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