I have 20%solution ofH2So4,100litres.
I want 40%solution of 200lit.
How many liter mix solution ofH2So4 of 98%

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  1. You want a 40 percent solution. Now you have two sulfuric acids:
    100L of 20 percent
    and X liters of 98 percent sulfuric acid.

    I am wondering which sulfuric acid you want to use to make the 40 percent solution.

    in the 100l, you have 20 liters of sulfuric acid. You will need a total of 40 liters of acid to make the 40 percent solution.

    Start with 100 L of the 20 percent. Then add 20/.98 L of the concentrated 98 percent stock. Then the remaining volume is water. Because you have to add acid to water, first measure the water: 200-100-20/.98 liters water.
    then add the acid solution to the water, stiring.

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