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Physical Chemistry Question on Solutions

When 50 ml of sodium hydroxide (0.1 M) is added to 100 mL of 0.1 M acetic acid, pH of the resultant solution is ___
Ka of acetic acid =1.82×10−51.82\times10^{-5}

A

8.58

B

7.42

C

4.74

D

7.06

Answer

4.74

Explanation

Solution

The correct option is (C) : 4.74