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A chemist have one solution contaning 50% acid & second one contain 25% acid. How much of each should be used to make 10 liter of 40%acid


u r on the correct question pravin


25 % of the fist one and then 12.5%of the second one.
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Take 6 litres of the 50% solution and 4 litres of the 25% solution, You will get 10 litres of 40% solution.
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