an
9
a misture of potash
sodium chloride on
treatment with excess of
silver nitiate gou 29 3
Ag. What was the compon
tion & the 442 m.composition
of the micture
Answers
Answer:
The balanced equation between NaCl and AgNO
3
is:
58.5g
1mol
NaCl
+
143.5g
1mol
AgNO
3
→AgCl+NaNO
3
Let x g of NaCl be present in the mixture.
58.5 g NaCl produce =143.5 AgCl
xg NaCl will produce =
58.5
143.5
×xgAgCl
The balanced equation between KCl and AgNO
3
is:
74.5g
1mol
KCl
+AgNO
3
→
143.5g
1mol
AgCl
3
+KNO
3
KCl present in the mixture =(3.60−x)g
74.5g of Cl produce =143.5g of AgCl
(3.6−x)g of KCl will produce =
74.5
14.3
×(3.6−x)gofAgCl
Thus,
74.5
14.3
x+
74.5
14.3
(3.6−x)=7.74
x=1.54
% of NaCl= =
3.60
1.54
×100=42.7
% of KCl= =
3.60
(3.60−1.54)
×100=57.3
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Answer:
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