Question

.
a) Mole is a very large number to indicate the number of atoms, molecules etc.
Write another name for one mole.
[1
b)
i) How the molecular formula is different from that of empirical formula?
[:
ii) An organic compound on analysis gave the following composition. Carbon 40%
Hydrogen = 6.66% and oxygen = 53.34%. Calculate its molecular formula if its
molecular mass is 90.
MARCH:- 2012
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Answer 1

Answer:

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