How many ml of (g measured at stp are produced at a platinum cathode in the electrolysis of s (aq by 4.35 a of electric current in 6.00 min?

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14-03-2017
Physics

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How many ml of (g measured at stp are produced at a platinum cathode in the electrolysis of s (aq by 4.35 a of electric current in 6.00 min?

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Hagrid Hagrid · Answer 1 · 2017-03-27T13:41:29+02:00

Hagrid Hagrid

27-03-2017

We are given with
I = 4.35 A
t = 6 min or 360 s
Cathode - Platinum (MW = 195)
Assuming the gas produced is H2 (MW = 2)

The formula is
V = 22.414 x I x t/9500
V = 22.414 (4.35) (360) / 96500
V = 0.364 L or 364 mL

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