Multiple Choice Questions on 200 g of 25 sulphuric acid solution was added to 300 g of 40 sulphuric acid solution Find the concen........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

200 g of 25 sulphuric acid solution was added to 300 g of 40 sulphuric acid solution Find the concen...........

Quantitative Aptitude ( CCS) Ratio, Proportion
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    200 g of 25% sulphuric acid solution was added to 300 g of 40% sulphuric acid solution. Find the concentration of the acid in the mixture.

    14%

    Incorrect Answer

    24%

    Incorrect Answer

    44%

    Incorrect Answer

    34%

    Correct Answer
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    Explanation:

    Amount of acid in the 1st solution = 0.25 × 200 = 50 g.
    Amount of acid in the 2nd solution = 0.4 × 300 = 120 g.
    Total amount of acid = 50 + 120 = 170 g.

    Required concentration = 170 / (200 + 300) × 100 = 34%

    Hence, option 4 is the correct answer.

    By: Amit Kumar
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