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Question
Chemistry
The volume of water to be added to N/2 HCl to prepare 500 cm3 of N/10 solution is
Q. The volume of water to be added to N/2 HCl to prepare
500
c
m
3
of N/10 solution is
2688
109
KCET
KCET 2003
Solutions
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A
45
c
m
3
9%
B
400
c
m
3
61%
C
450
c
m
3
15%
D
100
c
m
3
15%
Solution:
N
1
V
1
=
N
2
V
2
2
N
×
V
1
=
10
N
×
500
V
1
=100
Vol. of N/10 solution = 500
c
m
3
Vol. of N/2 solution = 100
c
m
3
∴
Water to be added = (500 - 100)
c
m
3
= 400
c
m
3