An analytical chemist is titrating 159.5 mL of a 1.200 M solution of nitrous acid (HNO,) with a 0.3300 M solution of KOH. The p K of nitrous acid is 3.35. Calculate the pH of the acid solution after the chemist has added 674.4 mL of the KOH solution to it. Note for advanced students: you may assume the final volume equals the initial volume of the solution plus the volume of KOH solution added. Round your answer to 2 decimal places. pH

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Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for