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[4] Please calculate the volume for H2 gas at 25°C and 1.00 atm that will college...

[4] Please calculate the volume for H2 gas at 25°C and 1.00 atm that will college at the cathode when an (aq) solution of Na2SO4 is electrolyzed for 2.00 hours with a 10.0-amp current.

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Answer #1

2 hours means

Thus , total charge -

According to Faraday's law , if 96486 C charge is passed , then 1 equivalent is deposited.

Thus, total production of H2 is-

For , H2 , 2 equivalent means 1 mol.

Thus , total H2 produced is -

From Ideal gas equation ,

Thus,

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