In an electroplating experiment,m g of silve | vedclass

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(B) According to Faraday's first law of electrolysis,the mass deposited $w$ is given by $w = Z 	imes I 	imes t$.For the first case: $m = Z 	imes 4

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$m/2$

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(B) According to Faraday's first law of electrolysis,the mass deposited $w$ is given by $w = Z 	imes I 	imes t$.For the first case: $m = Z 	imes 4 \ A 	imes (2 	imes 60 \ s) = Z 	imes 4 	imes 120 \ s$.For the second case: $M = Z 	imes 6 \ A 	imes 40 \ s$.Taking the ratio: $\frac{M}{m} = \frac{Z 	imes 6 	imes 40}{Z 	imes 4 	imes 120} = \frac{240}{480} = \frac{1}{2}$.Therefore,$M = m/2$.

In an electroplating experiment,$m \ g$ of silver is deposited when $4 \ A$ of current flows for $2 \ min$. The amount (in $g$) of silver deposited by $6 \ A$ of current flowing for $40 \ s$ will be:

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