Neco Model Questions Vol1 2019 Chemistry Question 1
Practice objective / multiple choice question 1 from the 2019 Neco Model Questions Vol1 Chemistry examination.
A galvanic cell is constructed as follows: Zn(s) | Zn^{2+} (0.010 M) || Cu^{2+} (0.50 M) | Cu(s) at 25 °C. The standard reduction potentials are \(E^{\circ}_{\text{Zn}^{2+}/\text{Zn}} = -0.76\ \text{V}\) and \(E^{\circ}_{\text{Cu}^{2+}/\text{Cu}} = +0.34\ \text{V}\). (a) Calculate the cell potential under the given conditions using the Nernst equation. (b) If a charge of 0.250 C passes through the cell, how many grams of copper are deposited on the copper electrode? Provide your answer as "Ecell = ... V; mass Cu = ... g".
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This is Neco Model Questions Vol1 2019 Chemistry Question 1. It is one of the objective questions from the 2019 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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