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Question
Chemistry
How many moles of potassium chlorate should be decomposed completely to obtain 67.2 litres of oxygen at STP?
Q. How many moles of potassium chlorate should be decomposed completely to obtain
67.2
litres of oxygen at STP?
2330
215
Some Basic Concepts of Chemistry
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A
1
B
2
C
3
D
4
Solution:
2
K
Cl
O
3
⟶
2
K
Cl
+
3
O
2
2
moles of
K
Cl
O
3
gives
3
×
22.4
, that is,
67.2
L
of
O
2
.