Please answer the following pertaining to analytical chemistry.

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Chapter1: Chemical Foundations
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Please answer the following pertaining to analytical chemistry

A solution is titrated with AgNO3 to determine the CI- concentration. At the endpoint is a colloidal suspension of AgCl in a
slight excess of Ag+ and NO3 ions.
Which of the procedures would promote coagulation of the particles so that the precipitate can be filtered and weighed?
heating the suspension
adding more NaCl solution
adding an electrolyte such as 0.1 mol HNO3
adding more AgNO solution
cooling the suspension
Transcribed Image Text:A solution is titrated with AgNO3 to determine the CI- concentration. At the endpoint is a colloidal suspension of AgCl in a slight excess of Ag+ and NO3 ions. Which of the procedures would promote coagulation of the particles so that the precipitate can be filtered and weighed? heating the suspension adding more NaCl solution adding an electrolyte such as 0.1 mol HNO3 adding more AgNO solution cooling the suspension
A solution containing 0.15 M each of F, CI¯¯, CrO², and SO2 is titrated by a solution containing Pb²+. Place the anions in
the order in which they will precipitate. Consulting a table of Ksp values may be helpful.
Precipitates first
Precipitates last
Transcribed Image Text:A solution containing 0.15 M each of F, CI¯¯, CrO², and SO2 is titrated by a solution containing Pb²+. Place the anions in the order in which they will precipitate. Consulting a table of Ksp values may be helpful. Precipitates first Precipitates last
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