A 25.00cm of potassium dichromate(K,Cr,C solution aretadded to an acidified aqueous solution of potassium lodide(present in excess). The lodine was then liberated according to the equation K-Cr.O-(aq) t 144(aq) + KI(ag)- K*(aq) + Cr (aq) + H;O(l) +1(aq) Required 19.63cm of a 0.1478M Na S,O for comptete reaction. The equation for the reaction of between Na;S,0, and Iz is 12(aq)+ Na;S;SO;(aq) – Na,S4Odlaq) + Nal(ag). Calculate the concentration of potassium dichromate (only 4 decimal places) mol/L
A 25.00cm of potassium dichromate(K,Cr,C solution aretadded to an acidified aqueous solution of potassium lodide(present in excess). The lodine was then liberated according to the equation K-Cr.O-(aq) t 144(aq) + KI(ag)- K*(aq) + Cr (aq) + H;O(l) +1(aq) Required 19.63cm of a 0.1478M Na S,O for comptete reaction. The equation for the reaction of between Na;S,0, and Iz is 12(aq)+ Na;S;SO;(aq) – Na,S4Odlaq) + Nal(ag). Calculate the concentration of potassium dichromate (only 4 decimal places) mol/L
Chemistry by OpenStax (2015-05-04)
1st Edition
ISBN:9781938168390
Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Publisher:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
Chapter13: Fundamental Equilibrium Concepts
Section: Chapter Questions
Problem 12E: Show that the complete chemical equation, the total ionic equation, and the net ionic equation for...
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Transcribed Image Text:A 25.00cm of potassium dichromate(K,Cr,CH so lution aretadded to an acidified aqueous solution of potassium lodide(present in excess). The lodine
was then liberated according to the equation K-Cr.O;(aq) +14- (aq) + KI(ag) K(aq) + Cr (aq) + H;O(1) + 12(aq)
Required 19.63cm of a 0.1478M Na S,O for complete reaction. The equation for the reaction of between Na S;03 and I2 is
2(aq)+ Na;S;SO;(aq)-Na S4O6(aq) + Nallac)
Calculate the concentration of potassium dichromate (only 4 decimal places)
mol/L
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