# Chapter 4 - Reactions in Aqueous Solutions - Questions & Problems: 4.88

#### Work Step by Step

We know that the volume of 0.10 M NaOH required would be the same for both 0.10M $HNO_2$ or with 25.0mL of 0.10M HCl. We also know that both have the same equivalence point as the concentration of protons is same for both acids; hence, it will need the same number of hydroxide ions.

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