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In producing chlorine by electrolysis $100 \mathrm{~kW}$ power at $125 \mathrm{~V}$ is being consumed. How much chlorine per minute is liberated (ECE of chlorine is $0.367 \times 10^{-6} \mathrm{kgC}^{-1}$ )
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Verified Answer
The correct answer is:
$17.61 \times 10^{-3} \mathrm{~kg}$
Mass of the substance deposited at the cathode
$$
\begin{aligned}
\mathrm{m} & =\mathrm{z} \\
& =\mathrm{z}\left(\frac{\mathrm{W}}{\mathrm{V}}\right) \mathrm{t} \\
& =0.367 \times 10^{-6} \times \frac{100 \times 10^3}{125} \times 60 \\
& =17.6 \times 10^{-3} \mathrm{~kg}
\end{aligned}
$$
$$
\begin{aligned}
\mathrm{m} & =\mathrm{z} \\
& =\mathrm{z}\left(\frac{\mathrm{W}}{\mathrm{V}}\right) \mathrm{t} \\
& =0.367 \times 10^{-6} \times \frac{100 \times 10^3}{125} \times 60 \\
& =17.6 \times 10^{-3} \mathrm{~kg}
\end{aligned}
$$
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