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Byju's Answer
Standard XII
Chemistry
Gay Lussac's Law, Avagadro's Law
CaCO3 + 2HCl ...
Question
C
a
C
O
3
+
2
H
C
l
→
C
a
C
l
2
+
H
2
O
+
C
O
2
The volume of CO
2
gas formed when 2.5 g calcium carbonate is dissolved in excess hydrochloric acid at 0
o
C and 1 atm pressure is:
[1 mole of any gas at 0
o
C and 1 atm pressure occupies 22.414 L volume].
A
1.12 L
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B
56.0 L
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C
0.28 L
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D
0.56 L
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Solution
The correct option is
A
0.56 L
C
a
C
O
3
+
2
H
C
l
→
C
a
C
l
2
+
H
2
O
+
C
O
2
100 g 44 g
1 mole 1 mole
22.4 L 22.4 L
We know that
1
mole of any gas at
0
o
C
and
1
a
t
m
pressure occupies
22.4
L
volume.
So, 100 g
C
a
C
O
3
forms
22.4
L
of
C
O
2
Hence, 2.5 g
C
a
C
O
3
will form
=
2.5
×
22.4
100
=
56
100
L
of
C
O
2
=
0.56
L
of
C
O
2
Hence, the correct option is
D
Suggest Corrections
0
Similar questions
Q.
C
a
C
O
3
+
2
H
C
l
→
C
a
C
l
2
+
H
2
O
+
C
O
2
The volume of
C
O
2
gas formed when 2.5 g calcium carbonate are dissolved in excess hydrochloric acid at
0
∘
C
and 1 atm pressure is
:
(1 mole of any gas at
0
∘
C
and 1 atm pressure occupies 22.414)
Q.
C
a
C
O
3
+
2
H
C
l
→
C
a
C
l
2
+
H
2
O
+
C
O
2
The mass of calcium chloride formed when
2.5 g of calcium carbonate is dissolved in excess of hydrochloric acid is:
Q.
When
28
g
of nitrogen gas occupying a volume of
22.4
L
at
0
o
C
and
1
a
t
m
. pressure was heated to
273
o
C
the pressure became
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a
t
m
. The new volume of the gas in litres is
:
Q.
10
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of a monoatomic ideal gas at
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and
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is suddenly released to
1
atm
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(L)
of the gas.
Q.
The pressure at which one mole of a gas at
0
o
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occupies a volume of 1 litre is:
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