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Byju's Answer
Standard XII
Chemistry
Molarity
Calculate the...
Question
Calculate the molarity of 98%
H
2
S
O
4
(d = 1.8 g/ml) by wt.
Open in App
Solution
% of Sulphuric Acid in solution = 98%
means 98g of
H
2
S
O
4
is present in 100g solution.
Molar mass = 98 g/mole
∵
No. of moles =
98
98
= 1 mole ...(1)
Density of solution =
1.8
g
/
c
m
3
∴
Volume =
100
1.8
(ml) ...(2)
Molarity =
n
o
.
o
f
m
o
l
e
s
o
f
s
o
l
u
t
e
v
o
l
u
m
e
o
f
s
o
l
u
t
i
o
n
from (1) & (2)
Molarity =
1
100
×
1.8
×
1000
(
i
n
L
v
o
l
u
m
e
)
=
18
M
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