Analysis shows the 15.0 L of seawater simulant contains a mercury (II) ion concentration of 3 X 10-4 M.  1.494 grams of potassium iodide will be needed to add to the icefish tank to precipitate out all of the mercury (II) ions. The reaction of mercury (II) ions and potassium iodide is shown below:Hg22+(aq) + 2KI (s) Hg2I2(s) + 2K+(aq) What is the concentration of K+ions (in M) in the crocodile icefish tank after precipitating out all the mercury (II) ions?

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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