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Tardigrade
Question
Chemistry
In an organic compound of molar mass 108 g mol -1 C , H and N atoms are present in 9: 1: 3.5 by weight. Molecular formula can be :
Q. In an organic compound of molar mass
108
g
m
o
l
−
1
C
,
H
and
N
atoms are present in 9: 1: 3.5 by weight. Molecular formula can be :
3440
181
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A
C
6
H
8
N
2
B
C
7
H
10
N
C
C
5
H
6
N
3
D
C
4
H
18
N
3
Solution:
Molar mass
108
g
Total part by weight
=
9
+
1
+
3.5
=
13.5
Weight of carbon
=
13.5
9
×
108
=
72
g
Number of carbon atoms
=
12
72
=
6
Weight of hydrogen
=
13.5
1
×
108
=
8
g
Number of hydrogen atoms
=
1
8
=
8
Weight of nitrogen
=
13.5
3.5
×
108
=
28
g
Number of nitrogen atom
=
14
28
=
2
Hence, molecular formula
=
C
6
H
8
N
2