SOLUTION: Madhurima mixed 40 ml of 40% sulphuric acid solution with 80 ml of 25% sulphuric acid solution. In what ratio must the resulting solution be mixed with 50% sulphuric acid solution

SOLUTION: Madhurima mixed 40 ml of 40% sulphuric acid solution with 80 ml of 25% sulphuric acid solution. In what ratio must the resulting solution be mixed with 50% sulphuric acid solution

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Question 885667: Madhurima mixed 40 ml of 40% sulphuric acid solution with 80 ml of 25% sulphuric acid solution.
In what ratio must the resulting solution be mixed with 50% sulphuric acid solution to give 40%
sulphuric acid solution again?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
DENSITIES? mass per volume? volume per volume? mass per mass? The question itself is incomplete.
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