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Equivalent Concept and Titration
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Acid-base titrations and double titration (NaOH, Na2CO3, NaHCO3)
NEET level
Single correct option
Difficulty 1 of 3
eq117
What volume of 0.100 M
H
X
2
SO
X
4
is needed to neutralise 20.0 mL of 0.100 M NaOH completely?
A
20.0
mL
B
5.0
mL
C
10.0
mL
D
40.0
mL
Answer: C
H
X
2
SO
X
4
has n-factor 2, so its normality is 0.200 N. NaOH:
0.100
×
20.0
=
2.00
meq. Acid:
0.200
×
V
=
2.00
, so
V
=
10.0
mL.
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