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Standard XII
Chemistry
Oxyacids of Phosphorus
Q.11.How many...
Question
Q.11.How many grams of 80% pure Na2SO4 can be produced from 130 gm of 90% pure NaCl ?
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Similar questions
Q.
How many grams of
80
% pure
N
a
2
S
O
4
can be produced from
130
g of
90
% pure
N
a
C
l
?
Q.
How many grams of
N
a
2
S
O
4
can be produced from 260 gm of 90% pure
N
a
C
l
when treated with excess of
H
2
S
O
4
?
Q.
How much
74.1
%
pure
N
a
2
S
O
4
could be produced from
245
g of
93.9
%
pure
N
a
C
l
?
2
N
a
C
l
+
H
2
S
O
4
⟶
N
a
2
S
O
4
+
2
H
C
l
Q.
Salt cake
(
N
a
2
S
O
4
)
is prepared as follows:
2
N
a
C
l
+
H
2
S
O
4
→
N
a
2
S
O
4
+
2
H
C
l
How much
80
%
pure salt cake could be produced form
100.0
g of
90
%
pure salt in the above reaction?
Q.
An isotonic solution will produce an osmotic pressure of
10.00
atm measured against pure water at
37
o
C. How many grams of NaCl must be dissolved in one litre of water to produce an isotonic solution?
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