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A solution of silver nitrate Is electrolysed for 20 minutes with a current of 2 amperes. Calculate the mass of silver deposited at the cathode.

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A solution of silver nitrate Is electrolysed for 20 minutes with a current of 2 amperes. Calculate the mass of silver deposited at the cathode.

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Electrochemical reaction at cathode is Ag + e Ag (reduction) 

m = ZIt

I = 2Ag 

t = 20 x 60s = 1200s 

It = 2A x 1200S = 2400C

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