Question

9.
An electric current is passed through a copper
voltameter and a water voltameter connected
in series. If the copper of the copper
voltameter now weights 16mg less, hydrogen
liberated at the cathode of the water
voltameter measures at STP about
1) 4.0ml 2)5.6ml 3) 6.4ml 4) 8.4ml
18.
T
J
-Q12​

Answer 1

Answer:

2 ) 5.6ml answer

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Answer 2

Answer:

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