Explanation The equation for the dissociation of CuSO 4 is as follows: CuSO 4 → Cu 2 + + SO 4 2 − The equation for the reduction half-cell of Cu is shown below: Cu 2 + ( a q ) + 2 e − → Cu ( s ) The expression to calculate the equivalent weight of copper is shown below: E = Molecular weight of copper n-factor ....... (1) Where, E represents the equivalent weight of copper. The molecular weight of copper is 63.54 g/mol . The value of n-factor is 2 . Substitute the value in the equation (1) E = 63.54 g/mol 2 = 31.77 equiv The expression to calculate the mass of copper is deposited is calculated as shown below: W = EIT 96500

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ISBN: 9780135216972

Author: Robinson

Publisher: PEARSON CO

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Electrolysis

Electrolysis is defined as the process of breaking down ionic compounds into their constituent elements by passing a direct electric current through the compound in a fluid state. The cathode reduces cations, while the anode oxidizes anions. An electroly…

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Chapter 19, Problem 19.139SP

Interpretation Introduction

Interpretation:

The mass of copper is refined by transfer from the anode to cathode is to be calculated.

Concept introduction:

The faraday’s first law of electrolysis is stated that the mass of the substance is deposited or liberated is directly proportional to the coulombs of charges passed through it.

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Chapter 19, Problem 19.138SP

Chapter 19, Problem 19.140SP

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The mass of copper is refined by transfer from the anode to cathode is to be calculated. Concept introduction: The faraday’s first law of electrolysis is stated that the mass of the substance is deposited or liberated is directly proportional to the coulombs of charges passed through it.

Solution Summary: The author explains the faraday's first law of electrolysis, which states that the mass of the substance is deposited or liberated is directly proportional to the coulombs of charges passed through it.

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Chapter 19 Solutions