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Mechanical Properties Of Fluids

Question
CBSEENPH11020698

In producing chlorine by electrolysis 100 kW power at 125 V is being consumed. How much chlorine per minute is liberated (ECE of chlorine is 0.367 x 10-6 KgC-1)

  • 1.76 x 10-3 kg

  • 9.67 x 10-3 kg

  • 17.61 x 10-3 kg

  • 3.67 x 10-3 kg

Solution

C.

17.61 x 10-3 kg

Mass of the substance deposited at the cathode
 
m= zit

equals space straight z open parentheses straight W over straight V close parentheses straight t

equals space 0.367 space space straight x space 10 to the power of negative 6 end exponent space straight x space fraction numerator 100 space straight x space 10 cubed over denominator 125 end fraction space straight x space 60
equals space 17.6 space straight x space 10 to the power of negative 3 end exponent space kg