Show the changes in the pH of a 250 ml 0.35 M KOH sample if the following acids were
added one after the other: a) 45 ml 0.075 HNO 3 solution then b) 75 ml 0.125 M HCl
solution and finally, c) 100 ml of 0.025 M NaOH solution.
pH change is 2.4
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