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  • A certain amount of charge is passed through acidulated water. A total of 504 mL of hydrogen and oxygen were collected at STP. Find the magnitude of charge that is passed during electrolysis in cou

A certain amount of charge is passed through acidulated water. A total of 504 mL of hydrogen and oxygen were collected at STP. Find the magnitude of charge that is passed during electrolysis in coulombs.

Option: 1

2895 C


Option: 2

5040 C


Option: 3

1680 C


Option: 4

8467.2 C


Answers (1)

best_answer

\begin{array}{l}{\mathrm{1\: F}=1 \mathrm{\: Eq} \text { of } \mathrm{O}_{2}+1\: \mathrm{Eq} \text { of } \mathrm{H}_{2}} \\ {=5.6 \mathrm{\: L\: O}_{2}+11.2 \mathrm{\: L} \text { of } \mathrm{H}_{2}=16.8 \mathrm{\: L}}\end{array}
\begin{array}{l}{16.8 \times 10^{3} \mathrm{\: mL} \Rightarrow 1 \mathrm{\: F}} \\ {\begin{aligned} 504 \mathrm{\: mL} & \Rightarrow \frac{1 \times 504}{16.8 \times 10^{3}} \\=& 0.03 \mathrm{\: F}=0.03 \times 96500=2895 \mathrm{\: C} \end{aligned}}\end{array}

Therefore,option(1) is correct

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