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Byju's Answer
Standard IX
Chemistry
Balancing of Chemical Equations
How many oxyg...
Question
How many oxygen atoms will be present in
88
g
of
C
O
2
?
A
24.08
×
10
23
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B
6.023
×
10
23
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C
44
×
10
23
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D
22
×
10
24
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Solution
The correct option is
A
24.08
×
10
23
1 mol of
C
O
2
=
12
+
32
=
44
g
Number of oxygen in 1 molecule of
C
O
2
=
2
∴
44 g
C
O
2
contains 2 mol oxygen
88
g
C
O
2
contains
=
2
44
×
88
=
4
mol oxygen
as,
1
m
o
l
=
6.022
×
10
23
atoms
4
m
o
l
o
x
y
g
e
n
=
4
×
6.022
×
10
23
oxygen atoms
=
24.08
×
10
23
oxtgen atoms
Hence, option
A
is correct.
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