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【Daily Question】Theoretical Foundation 2020.08.01

2020-08-01View Original

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Multiple-choice question: On the first day of August, the pandemic had already been going on for over half a year; hope it ends soon! ! Keep going! ! 1 In 100 ml of a 0.14 mol·dm-3 HAc solution, 100 ml of a 0.10 mol·dm-3 NaAc solution is added. What is the pH of this solution? (Calculation error: 0.01 pH units) ( ) A. 9.40 B. 4.75 C. 4.60 D. 9.25 Answer: C Hint: An additional reward will be given to those who can explain the solution process; the answer can be found in the response

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