1) When the Ag+ concentration is 1.08 M, the observed cell potential at 298K for an electrochemical...

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Chemistry

1) When the Ag⁺ concentration is1.08 M, the observed cell potential at 298K for anelectrochemical cell with the following reaction is1.654V. What is theZn²⁺ concentration?

2Ag⁺(aq)+ Zn(s) >2Ag(s) +Zn²⁺(aq)

Answer: _ M
2) A concentration cell similar to the one shown is composed oftwo Cr electrodes and solutions of differentCr³⁺concentrations. The leftcompartment contains 1.32 MCr³⁺, and the right compartmentcontains 0.250 MCr³⁺.

Calculate the cell potential for this reaction at 298 K.

volts
In this chromium concentration cell, thecompartment on the left is the anode or cathode__, and thecompartment on the right is the _anode or cathode__.

Answer & Explanation Solved by verified expert

4.1 Ratings (583 Votes)

Ans Data collected Standard reduction potential Eo at 298 K Ag e Ag 080 V Zn2 2e Zn 076 V Cr3 3e Cr 074 V Ans 1 Cell reaction Zns 2Agaq Zn2aq 2Ags No of electrons transferred n 2 Q Reaction quotient Zn2aqAgaq2 Zn2aq1082 Cell potential is See Answer

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