Question
If 0.1 g atom of magnesium is allowed to react with 2g molecule of oxygen then which of the following is correct for given equation? 2Mg (s) + O2 (g) = 2MgO (s) 1 )oxygen is the limiting reagent 2) magnesium is the limiting reagent 3 )0.02 moles of magnesium oxide is formed 4 )0.5 moles of oxygen remains in excess