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Question
How many grams of dibasic acid (mol. wt. 200) should be present in 100 mL of the aqueous solution to give 0.1 N ?
A
1 g
B
2 g
C
10 g
D
20 g
Medium
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Solution
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Correct option is A)
Equivalent weight of dibasic acid
=
2
m
o
l
,
w
t
.
=
2
2
0
0
=
1
0
0
Strength = 0.1 N, m = ?, V= 100 ml.
From,
m
=
1
0
0
0
E
V
N
=
1
0
0
0
1
0
0
×
1
0
0
×
0
.
1
=
1
g
Hence, the correct option is
A
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