Question on: JAMB Chemistry - 2016
Calculate the volume in cm3 of oxygen evolved at s.t.p when a current of 5A is passed through acidified water for 193s?
[F = 96500 C mol1. Molar volume of a gas at s.t.p = 22.4dm3]
[F = 96500 C mol1. Molar volume of a gas at s.t.p = 22.4dm3]
A
0.056dm3
B
0.224dm3
C
224.000dm3
D
56.000dm3
Ask EduPadi AI for a detailed answer
Correct Option: 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
40H \(\mapsto\) 2H2O + O2 + 4e
4 x 96500C = 22.4dm3
965C = x
x = \(\frac{22.4 \times 965}{4 \times 96500}\)
= 0.056dm3
Add your answer
Please share this, thanks!
No responses