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Byju's Answer
Standard XII
Chemistry
Molality
Find the mola...
Question
Find the molality of
H
2
S
O
4
solution whose specific gravity is 1.99 g/mL and 49% by volume of
H
2
S
O
4
Open in App
Solution
1.98
g
=
Specific gravit
1000
m
l
×
1.98
=
1980
g
r
a
m
Solution weight-Water weight of solutions
1980-510=1480
H
2
S
O
4
Numbers of moles of
H
2
S
O
4
=Mass of
H
2
S
o
4
/Molar mass of
H
2
S
O
4
=
1480
98
=
15.10
m
o
l
Molality(m)=No of moles/mars of solution
15.10
510
=
0.029
m
o
l
e
s
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0
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