A buffer solution is made that is 0.350 M in HNO2 and 0.350 M in NaNO2. If Ka for HNO2 is 4.50 × 10-4, what is the pH of the buffer solution? pH = Write the net ionic equation for the reaction that occurs when 0.092 mol HCl is added to 1.00 L of the buffer solution. (Use the lowest possible coefficients. Omit states of matter. Use H3O+ instead of H+)

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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