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2 MnO4- (aq)  + 5 C2O42- (aq)  + 16 H+ (aq)  «   2Mn2+ (aq)  + 10 CO2 (g)  +  8 H2O(l)   0.4040 g  of the unknown compound (K2Zy(C2O4)z . nH2O) was dissolved in 100.0 mL water to make a solution. It was then heated to 80oC and titrated with a KMnO4 solution as shown below:     The molarity of  KMnO4  = 0.0.02321 M       Volume used =  29.25 mL   A.) What is the % Oxalate by mass for the unknown solid titrated?

2 MnO4- (aq)  + 5 C2O42- (aq)  + 16 H+ (aq)  «   2Mn2+ (aq)  + 10 CO2 (g)  +  8 H2O(l)   0.4040 g  of the unknown compound (K2Zy(C2O4)z . nH2O) was dissolved in 100.0 mL water to make a solution. It was then heated to 80oC and titrated with a KMnO4 solution as shown below:     The molarity of  KMnO4  = 0.0.02321 M       Volume used =  29.25 mL   A.) What is the % Oxalate by mass for the unknown solid titrated?

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.195QP
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2 MnO4- (aq)  + 5 C2O42- (aq)  + 16 H+ (aq)  «   2Mn2+ (aq)  + 10 CO2 (g)  +  8 H2O(l)

 

0.4040 g  of the unknown compound (K2Zy(C2O4)z . nH2O) was dissolved in 100.0 mL water to make a solution. It was then heated to 80oC and titrated with a KMnO4 solution as shown below:

 

  The molarity of  KMnO4  = 0.0.02321 M       Volume used =  29.25 mL

 

A.) What is the % Oxalate by mass for the unknown solid titrated?

 

 

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