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Question
Chemistry
How many mL of 22.4 volume H2O2 is required to oxidise 0.1 mol of H2S gas to S?
Q. How many mL of 22.4 volume
H
2
O
2
is required to oxidise 0.1 mol of
H
2
S
gas to S?
1618
197
NTA Abhyas
NTA Abhyas 2020
Some Basic Concepts of Chemistry
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Answer:
50
Solution:
1
mol
H
2
O
2
+
1
mol
H
2
S
→
2
H
2
O
+
S
0.1 mol
H
2
S
require
H
2
O
2
=
0.1
mol
Molarity of 22.4 volume
H
2
O
2
=
11.2
22.4
=
2
M
Now volume of
H
2
O
2
required
=
m
o
l
a
r
i
t
y
m
o
l
=
2
0.1
L
=
2
0.1
×
1000
=
50
mL