A divalent metal oxide contains 60% of metal. What is atomic weight of metal?
wt of metal= 60 g
wt of oxygen= (100-60) g= 40 g
Eq. wt. of metal = wt. of metal/ wt of oxygen* 8
= 12
As metal is divalent, At. wt= Eq. wt* valency= 12*2 = 24
a). Define percentage of any element or constituent in a compound. Show its formula.
b). Define empirical formula mass. Show the relationship between Empirical and molecular formula. How to determine Empirical formula?