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3 gram of acetic acid is mixed in 250 mL...

3 gram of acetic acid is mixed in 250 mL of 0.1 M HCl. This mixture is now diluted to 500 mL. 20 mL of this solution is now taken is another container `1/2` mL of 5M NaOH is added to this. Find the pH of this solution. (`pK_a = 4.74`)

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5.22
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