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- A group of students performed electrolysis of the copper sulfate solution by using copper electrodes and recorded the results in the following table. Experiment (amp.) T(s) Mass of cathode before electrolysise (1) 2 180 1.24 (2) 4 180 1.2 (3) 360 1.34 (4) 8 90 1.51 Study it well and then answer the following: - The mass of cathode after electrolysis in experiment (4) equal. (a) 1.75 g (b) 1.58 g (C) 1.44 g (d) 1.36 g

- A group of students performed electrolysis of the copper sulfate solution by using copper electrodes and recorded the results in the following table. Experiment (amp.) T(s) Mass of cathode before electrolysise (1) 2 180 1.24 (2) 4 180 1.2 (3) 360 1.34 (4) 8 90 1.51 Study it well and then answer the following: - The mass of cathode after electrolysis in experiment (4) equal. (a) 1.75 g (b) 1.58 g (C) 1.44 g (d) 1.36 g

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
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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- A group of students performed electrolysis of the copper sulfate solution by using copper electrodes and recorded the results in the following table. Experiment (amp.) T(s) Mass of cathode before electrolysise (1) 180 1.24 (2) 4 180 1.2 (3) 2 360 1.34 (4) 8 90 1.51 Study it well and then answer the following: - The mass of cathode after electrolysis in experiment (4) equal. ....... (a) 1.75 g (b) 1.58 g (C) 1.44 g (d) 1.36 g a II 2.
Transcribed Image Text:- A group of students performed electrolysis of the copper sulfate solution by using copper electrodes and recorded the results in the following table. Experiment (amp.) T(s) Mass of cathode before electrolysise (1) 180 1.24 (2) 4 180 1.2 (3) 2 360 1.34 (4) 8 90 1.51 Study it well and then answer the following: - The mass of cathode after electrolysis in experiment (4) equal. ....... (a) 1.75 g (b) 1.58 g (C) 1.44 g (d) 1.36 g a II 2.
- In experiment number (2) , if the mass of anode before electrolysis equal 1.45 g, then the mass of cathode after electrolysis equal (a) 1.21g (Б) 1.69 g (C) 1.45 g (d) 1.36 g a b d - The blue color of copper sulphate solution in the previous experiments . (a) remains constant (b) Decreases II
Transcribed Image Text:- In experiment number (2) , if the mass of anode before electrolysis equal 1.45 g, then the mass of cathode after electrolysis equal (a) 1.21g (Б) 1.69 g (C) 1.45 g (d) 1.36 g a b d - The blue color of copper sulphate solution in the previous experiments . (a) remains constant (b) Decreases II
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