In order to determine the chloride concentration in a solution, a Mohr titration is performed. This involves adding a small amount of chromate to the solution and then slowly adding silver nitrate. Silver chloride is pale yellow solid while silver chromate is a dark red. The appearance of the red silver chromate is the end point of the titration. Answer the questions below about this process.  (Ksp of AgCl = 1.7x10-10, Ksp of Ag2CrO4 =1.12x10-12 ) Mohr titrations are the method by which the FDA checks the sodium content of food.  A single serving bag of potato chips is ground and mixed in 100.0 mL of water to dissolve the salt. If the solution is titrated and it requires 32.59 mL of 0.200 M AgNO3 solution what is the salt content in mg of Na? (Hint: the lab gives you the concentration of Cl-1, which is related to moles of NaCl, which is related to grams of NaCl, which is related to grams of Na, which can be converted to mg.)

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter15: Additional Aqueous Equilibria
Section: Chapter Questions
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In order to determine the chloride concentration in a solution, a Mohr titration is performed. This involves adding a small amount of chromate to the solution and then slowly adding silver nitrate. Silver chloride is pale yellow solid while silver chromate is a dark red. The appearance of the red silver chromate is the end point of the titration. Answer the questions below about this process. 

(Ksp of AgCl = 1.7x10-10, Ksp of Ag2CrO4 =1.12x10-12 )

Mohr titrations are the method by which the FDA checks the sodium content of food. 

A single serving bag of potato chips is ground and mixed in 100.0 mL of water to dissolve the salt. If the solution is titrated and it requires 32.59 mL of 0.200 M AgNO3 solution what is the salt content in mg of Na? (Hint: the lab gives you the concentration of Cl-1, which is related to moles of NaCl, which is related to grams of NaCl, which is related to grams of Na, which can be converted to mg.)

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