Boric acid, H3BO3, is commonly used in eyewash solutions in chemistry laboratories to neutralize bases splashed in the eye: H3BO3 (aq) + 3 NaOH (aq) – 3 H2O (1) + Na3BO3 (aq) A 0.442 M sodium hydroxide solution is used to neutralize a 18.95 mL sample of boric acid. During an experiment, 22.92 mL of sodium hydroxide is required for complete neutralization of the boric acid to a phenolphthalein endpoint. Calculate the number of moles of boric acid neutralized by the sodium hydroxide. Give only the number Your Answer: Ancwor

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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