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Byju's Answer
Standard X
Chemistry
Electrolysis and Electrolytes
The no. of el...
Question
The no. of electrons lost or gained during electrolysis of 2 g
C
l
−
from NaCl(aq) to give
C
l
2
at anode is
x
×
10
20
electrons
.
x
is :
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Solution
2
C
l
−
→
2
e
−
+
C
l
2
moles of
C
l
−
=
2
35.5
=
0.056
m
o
l
e
s
moles of electron released for 0.056 moles of
C
l
−
=
0.05
total number of electrons
=
0.056
×
6.022
×
10
23
=
339
×
10
20
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