Published by:
CGP EDU Academic Team
Published on: August 13, 2026
10 g of 
decomposes on heating to 0.1 mole 
and 4 g MgO. The percent purity of 
is
(Given that atomic weights of 
and O are 24,12 and 16 u respectively.)
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
decomposes as below:
mole ratio 
Thus 0.1 mole of 
will be produced by 0.1 mole of 
Mass of 
in 10g sample 
purity 
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