Two solutions, A and B, each of 100 L was made by dissolving 4g of NaOH and 9.8 g of H2SO4 in water, respectively. The pH of the resultant solution obtained from mixing 40 L of solution A and 10 L of solution B is _____.

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answer is 10.6.

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Detailed Solution

At the end of the reaction we can see that NaOH is left. so pOH for NaOH is calculated. Then its pH

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