What is the decrease in volume of air when pyrogallol is shaken with 30.00cm3 of air ?
-
A.
15.00cm3 -
B.
6.30cm3 -
C.
0.63cm3 -
D.
0.06cm3
Correct Answer: Option B
Explanation
% volume of O2 in air = 21%
∴ (21/100) * 30 = 6.3
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