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Question
Chemistry
How much volume (in litre) of 3M NaOH is obtained from 80 g NaOH ? (Atomic mass of Na=23u )
Q. How much volume (in litre) of
3
M
N
a
O
H
is obtained from 80 g
N
a
O
H
? (Atomic mass of
N
a
=
23
u
)
1497
189
Rajasthan PET
Rajasthan PET 2009
Report Error
A
2.67
B
1.34
C
0.67
D
0.33
Solution:
Molarity
=
m
o
l
ec
u
l
a
r
w
e
i
g
h
t
×
v
o
l
u
m
e
o
f
so
l
u
t
i
o
n
(
in
l
i
t
re
)
w
e
i
g
h
t
⇒
3
M
=
40
×
V
80
V
=
3
2
=
0.67
L