What is the mass in grams of : (i) `6.022xx10^(23)` atoms of oxygen ? (ii) `1.0xx10^(23)` molecules of `H_(2)S`?
(iii) `6.022xx10^(23)` molecules of oxygen? (iv) 1.5 moles of `H_(2)SO_(4)`?

Explanation

(i) 16.0 g (ii) 5.645 g (iii) 32.0 g (iv) 147.0 g