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Byju's Answer
Standard XII
Mathematics
Greatest Integer Function
Na2SO3· yH2O ...
Question
N
a
2
S
O
3
⋅
y
H
2
O
has
50
%
H
2
O
by mass. Thus,
y
is
:
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Solution
N
a
2
S
O
3
⋅
y
H
2
O
↓
↓
126
g
18
y
18
y
126
+
18
y
=
50
100
∴
y
=
5
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O
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Q.
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