Current passes through a solution of sodium chloride. In 1.00 s, 2.68 * 1016 Na+ ions arrive at the negative electrode and 3.92 * 1016 Cl- ions arrive at the positive electrode. (a) What is the current passing between the electrodes? (b) What is the direction of the current?

Current passes through a solution of sodium chloride. In 1.00 s, 2.68 * 1016 Na+ ions arrive at the negative electrode and 3.92 * 1016 Cl- ions arrive at the positive electrode. (a) What is the current passing between the electrodes? (b) What is the direction of the current?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 61P

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Concept explainers

Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.

Question

Current passes through a solution of sodium chloride. In 1.00 s, 2.68 * 10¹⁶ Na⁺ ions arrive at the negative electrode and 3.92 * 10¹⁶ Cl^- ions arrive at the positive electrode. (a) What is the current passing between the electrodes? (b) What is the direction of the current?

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