The electrochemical equivalent of a metal is 0.126 x 10-6 kgC-1. The mass of the...
Question
The electrochemical equivalent of a metal is 0.126 x 10-6 kgC-1. The mass of the metal that a current of 5A will deposit from a suitable bath in 1 hour isOptions
A) 0.0378 x 10 -3kg
B) 0.227 x 10 -3kg
C) 0.378 x 10 -3kg
D) 0.595 x 10 -3kg
E) 2.268 x 10 -3kg
Related Lesson: Scientific Notation | Skills for Science
The correct answer is E.
Explanation:
m = Itz
= 5 x 3600 x 0.126 x 10-6
= 2.268 x 10-3kg
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m = Itz
= 5 x 3600 x 0.126 x 10-6
= 2.268 x 10-3kg