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Sunday, April 19, 2020
A mixture is prepared by mixing of 20 gm SO3 in 30 gm of H2SO4 . (I) Find the mole fraction of SO3 . (II) Determine % labelling of Oleum sample
SOLUTION:
(i)
Total wt of Oleum is 20 gm SO
3
+ 30 gm H
2
SO
4
(ii)
Given Wt of (Free) SO
3
=
40
%
Find % labelling (X)
% labelling(X) = 109%
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