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Standard XII
Chemistry
Concentration Terms - An Introduction (w/w etc)
How many gram...
Question
How many grams of caustic potash required to
completely neutralise 12.6 gm
H
N
O
3
A
22.4 KOH
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B
1.01 KOH
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C
6.02 KOH
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D
11.2 KOH
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Solution
The correct option is
D
11.2 KOH
H
N
O
3
+
K
O
H
→
K
N
O
3
+
H
2
O
12.6
63
=
0.2
m
o
l
e
;
H
N
O
3
≡
K
O
H
0.2
m
o
l
e
≡
0.2
m
o
l
e
0.2
×
56
=
11.2
g
m
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