The amount of time required for the given mass of copper to be deposited at cathode has to be calculated. Concept Introduction: During a redox reaction , the amount of electrons transferred is determined by measuring the current flowing in an external electric circuit for a particular period of time. The electric charge flowing through an electric circuit is calculated by multiplying the current and the time interval.

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Chapter 17, Problem 106QRT

(a)

Interpretation Introduction

Interpretation:

The amount of time required for the given mass of copper to be deposited at cathode has to be calculated.

Concept Introduction:

During a redox reaction, the amount of electrons transferred is determined by measuring the current flowing in an external electric circuit for a particular period of time. The electric charge flowing through an electric circuit is calculated by multiplying the current and the time interval.

(b)

Interpretation Introduction

Interpretation:

Gas collected at anode has to be predicted and the volume of the gas has to be calculated.

Concept Introduction:

Reduction is defined as the gain of electrons and oxidation is defined as the loss of electrons. The substance that is oxidized is a reducing agent and the substance that is reduced is an oxidizing agent. The process of reduction occurs at cathode while the process of oxidation occurs at anode.

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