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JEE Main 2022 Chemistry question

ChemistryEquilibriumJEE Main 2022

50 mL of 0.1 M is being titrated against 0.1 M NaOH. When 25 mL of NaOH has been added, the pH of the solution will be . (Nearest integer) (Given : ; log 2 = 0.30, log 3 = 0.48, log 5 = 0.69, log 7 = 0.84, log 11 = 1.04)

Answer: 476

Solution

The acid is mmol and the NaOH added is mmol, so half of the acid is neutralised: 2.5 mmol

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Question ID VK-025336