18.
Air contains 20% O, by volume. How many c.c. of air will be required for oxidation of 100 oc of acetylene
(CH₂)?
(1) 1064 cc
(2) 212.8 cc
(3) 500 CC
4) 1250 cc
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Answer:
20% of oxygen by volume,
the amount of air needed to react with 100 cc of
C2H2 will be=250×(100/20)=1250cc of air
Hope it helps you
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