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Byju's Answer
Standard XII
Chemistry
Stoichiometric Calculations
On heating ...
Question
On heating
5
×
10
−
3
equivalent of CaCl
2
.xH
2
O
, 0.18 gm of water is obtained. What is the value of x?
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Solution
No. of equivalents
=
5
×
10
−
3
.
Equivalent weight of
C
a
C
l
2
.
x
H
2
O
=
55.5
+
9
x
Given weight
=
0.18
g
m
No. of gram equivalen
=
given weight
equivalent weight of
C
a
C
l
2
.
x
H
2
O
5
×
10
−
3
=
0.13
55.5
+
9
x
9
x
=
55.5
−
36
x
=
19.5
9
≈
2
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