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Byju's Answer
Standard XII
Chemistry
Concentration Terms
Calculate mol...
Question
Calculate molality of 2.5 g of ethanoic acid
[
C
H
3
C
O
O
H
]
in 75 g of benzene.
A
0.551
m
o
l
k
g
−
1
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B
0.556
m
o
l
k
g
−
1
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C
0.558
m
o
l
k
g
−
1
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D
0.552
m
o
l
k
g
−
1
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Solution
The correct option is
B
0.556
m
o
l
k
g
−
1
MW of
C
H
3
C
O
O
H
=
60
g
m
o
l
−
1
m
=
w
2
×
1000
M
w
2
×
w
1
=
2.5
g
×
1000
60
g
m
o
l
−
1
×
75
=
0.556
m
o
l
k
g
−
1
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Similar questions
Q.
Calculate molality of 2.5 grams of Ethanoic Acid
(
C
H
3
C
O
O
H
)
in 75 grams of Benzene.
Q.
Calculate molality of 2.5 g of ethanoic acid
[
C
H
3
C
O
O
H
]
in 75 g of benzene.
Q.
Calculate the molarity of 2.5gm of ethanoic acid CH3COOH in 73 gm of benzene
Q.
30
g
m
of ethanoic acid present in
100
g
m
of water, determine molality of ethanoic acid in water?
Q.
Calculate the molecular mass of ethanoic acid, CH
3
COOH.
(Atomic masses : C = 12 u ; H = 1 u ; O = 16 u)
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