Question

(a)  0.1 mol of Lithium reacts with excess oxygen gas.

(i)             Write a balanced chemical equation for the reaction.

(ii)             Calculate the mass of the product formed.

[ Relative atomic mass : Lithium=7, Oxygen=16]

Answer 1

I) $4Li+O_2=2Li_2O$

ii) Mass of the product formed=74.3g