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Standard XII
Chemistry
Hydrogen Bonding
Calculate tot...
Question
Calculate total number of atoms in the following.(1) 5 gm molecule Nitrogen.(2) 2 gm atom hydrogen.
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Similar questions
Q.
1
gm-atom of nitrogen molecule represents:
Q.
Rearrange the following in the order of increasing mass and choose the correct order (Atomic mass,
N
=
14
,
O
=
16
,
C
u
=
63
)
(I) 1 molecule of oxygen
(2) 1 atom of nitrogen
(3)
1
×
10
−
10
g
m
molecule of oxygen
(4)
1
×
10
−
10
g
m
of copper
Q.
Calculate the no. of atoms of
A
u
in
1
gm of
A
u
. No. of molecule of
H
2
O
in a drop of
H
2
O
weighting
0.05
gm, (Atomic mass of
A
u
is
197
).
Q.
Assertion :1 gm of
S
O
2
and 1 gm of
C
O
2
contains the same number of molecules under similar conditions. Reason: 64 gm of
S
O
2
and 44 gm of
C
O
2
contains the same number of atoms under similar conditions.
Choose the correct option.
Q.
Calculate the number of moles of hydrogen atom in 72 gms of water.
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