Buffering capacity using a pH meter...?

zara

New member
How do you calculate the expected pH of a solution when a certain amount of acid or base is added? for example 0.5 mol dm-3 ethanoic acid and 0.5 mol dm-3 NaOH is used as the buffer.

0.5 mol dm-3 NaOH is added as the base and 0.5 mol dm-3 HNO3 is used as the acid added to this buffer.

How would you calculate what the expected pH would be aafter adfdition of 5ml and 10 ml of each of the acid and base when the starting pH is 4.75?

thank you for any help!
 
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