Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Chemistry
Number of gram of oxygen in 322 g of Na 2 SO 4-10 H 2 O is:
Q. Number of gram of oxygen in
322
g
of
N
a
2
S
O
4
−
10
H
2
O
is:
1097
209
BHU
BHU 2005
Report Error
A
20.8
B
224
C
208
D
22.4
Solution:
1
m
o
l
of
N
a
2
S
O
4
⋅
10
H
2
O
has
14
g
-atom of oxygen.
or
322
g
of
N
a
2
S
O
4
⋅
10
H
2
O
has
14
×
16
=
224
g
of oxygen.