SOLUTION: how many kilograms of a 30% acid solution must be added to 80kg of a 20% solution to produce a 28% solution?
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Question 159894: how many kilograms of a 30% acid solution must be added to 80kg of a 20% solution to produce a 28% solution?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let's call the number X.
320 kg of 30% solution is needed.
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