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You have 500.0 mL of a buffer solution containing .30 M acetic acid (CH3COOH0 and .20...

You have 500.0 mL of a buffer solution containing .30 M acetic acid (CH3COOH0 and .20 M sodium acetate (Ch3COONa). What will the pH of this solution be after the addition of 20.0 mL of 1.00 M NaOH solution? [Ka= 1.8*10^-5].

Please show all work, or as much as possible. Thank you!!

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