List of top Inorganic Chemistry Questions on Analytical Chemistry

In a gravimetric estimation of Al, a sample of 0.1000 g AlCl₃ is precipitated with 8-hydroxyquinoline. The weight of the precipitate is _____ g.
[Given: atomic weight of Al is 26.98; molecular weight of AlCl₃ is 133.34; and molecular weight of 8-hydroxyquinoline is 145.16] 
(round off to 4 decimal places)

The number of significant figures in $5.0820 x 10^2$ is _________.