0.056dm3
0.224dm3
224.000dm3
56.000dm3
Correct answer is A
Q = 193 x 5 = 965C 40H \(\mapsto\) 2H2O + O2 + 4e 4 x 96500C = 22.4dm3 965C = x x = \(\frac{22.4 \times 965}{4 \times 96500}\) = 0.056dm3
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