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20 mL of 0.2 M NaOH is added to 50 mL of 0.2 M acetic acid. The pH of this solution after mixing is

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20 mL of 0.2 M NaOH is added to 50 mL of 0.2 M acetic acid. The pH of this solution after mixing is (Ka = 1.8 x 10-5)

(a) 4.5

(b) 2.3

(c) 3.8

(d) 4

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Correct Option (a) 4.5

Explanation:

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