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From the titration of 50.00 mL of FeSO4 0.2500 mol L-1 with a solution of K2Cr2O7 0.1000 mol L-1 under acidic conditions, in which [H+] = 1.00 mol L-1, calculate the Potential (E) of the system for adding the following volumes of K2Cr2O7 solution: i)  5.00 mL ii) volume at the stoichiometric point (PE) iii)  22.00 mL

From the titration of 50.00 mL of FeSO4 0.2500 mol L-1 with a solution of K2Cr2O7 0.1000 mol L-1 under acidic conditions, in which [H+] = 1.00 mol L-1, calculate the Potential (E) of the system for adding the following volumes of K2Cr2O7 solution: i)  5.00 mL ii) volume at the stoichiometric point (PE) iii)  22.00 mL

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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From the titration of 50.00 mL of FeSO4 0.2500 mol L-1 with a solution of K2Cr2O7 0.1000 mol L-1 under acidic conditions, in which [H+] = 1.00 mol L-1, calculate the Potential (E) of the system for adding the following volumes of K2Cr2O7 solution:

i)  5.00 mL

ii) volume at the stoichiometric point (PE)

iii)  22.00 mL

 
 
 
 
 
 
E° (volts) REACTION Au+ + 3e O, + 4H* + 4e Pt2+ + 2e Ag* + e Fe* + e O, + 2H;O + 4e Cu²+ + 2e 2H* + 2e Pb2+ + 2e Sn2+ + 2e Ni* + 2e Co+ + 2e Cd²+ + 2e Fe+ + 2e Cr* + 3e Zn+ + 2e AP* + 3e Mg* + 2e - Na* + e - Na K* + e - K → Au 2H;O Pt +1.420 +1.229 -+1.2 +0.800 » Ag - Fe2+ +0.771 4(OH") Cu +0.401 +0.340 0.000 Pb -0.126 -0.136 -0.250 Sn Ni Co -0.277 -0.403 » Cd → Fe -0.440 → Cr → Zn » Al → Mg -0.744 -0.763 -1.662 -2.363 -2.714 -2.924
Transcribed Image Text:E° (volts) REACTION Au+ + 3e O, + 4H* + 4e Pt2+ + 2e Ag* + e Fe* + e O, + 2H;O + 4e Cu²+ + 2e 2H* + 2e Pb2+ + 2e Sn2+ + 2e Ni* + 2e Co+ + 2e Cd²+ + 2e Fe+ + 2e Cr* + 3e Zn+ + 2e AP* + 3e Mg* + 2e - Na* + e - Na K* + e - K → Au 2H;O Pt +1.420 +1.229 -+1.2 +0.800 » Ag - Fe2+ +0.771 4(OH") Cu +0.401 +0.340 0.000 Pb -0.126 -0.136 -0.250 Sn Ni Co -0.277 -0.403 » Cd → Fe -0.440 → Cr → Zn » Al → Mg -0.744 -0.763 -1.662 -2.363 -2.714 -2.924
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