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Question
Chemistry
How much oxygen is required for complete combustion of 560 g of ethene?
Q. How much oxygen is required for complete combustion of
560
g
of ethene?
4774
213
Some Basic Concepts of Chemistry
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A
6.4
k
g
19%
B
1.92
k
g
41%
C
2.8
k
g
24%
D
9.6
k
g
16%
Solution:
28 g
C
2
H
4
+
3
×
32
=
96
g
3
O
2
→
2
C
O
2
+
2
H
2
O
28
g
of
C
2
H
4
requires
96
g
of
O
2
560
g
of requires
28
96
×
560
=
1920
g
or
1.92
k
g
of
O
2