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Byju's Answer
Standard XII
Chemistry
Uses of Calcium Sulphate
Formula of Ep...
Question
Formula of Epsom salt is:
A
M
g
C
O
3
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B
M
g
S
O
4
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C
M
g
S
O
4
.
7
H
2
O
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D
M
g
S
O
4
.
6
H
2
O
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Solution
The correct option is
C
M
g
S
O
4
.
7
H
2
O
The correct formula of Epsom salt is
M
g
S
O
4
⋅
7
H
2
O
.
Suggest Corrections
0
Similar questions
Q.
How is
M
g
S
O
4
produced from
M
g
C
O
3
?
Q.
Which of the following is isomorphous with
M
g
S
O
4
⋅
7
H
2
O
?
Q.
Arrange the following in order of increasing thermal stability:
B
e
S
O
4
,
M
g
S
O
4
,
C
a
S
O
4
Q.
Chemical formula of epsom salt is
C
a
S
O
4
.2
H
2
O
Q.
At
25
∘
C
, 1 mole of
M
g
S
O
4
was dissolved in water, the heat evolved was found to be
91.2
kJ
. One mole of
M
g
S
O
4
.7
H
2
O
on dissolution gives a solution of the same composition accompanied by an absorption of
13.8
kJ
. The enthalpy of hydration, i.e.,
Δ
H
for the reaction
M
g
S
O
4
(
s
)
+
7
H
2
O
(
l
)
→
M
g
S
O
4
.7
H
2
O
(
s
)
is:
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