1.4 Calculate the amount of carbon dioxide that could be produced when
(i) 1 mole of carbon is burnt in air.
(ii) 1 mole of carbon is burnt in 16 g of dioxygen.
(iii) 2 moles of carbon is burnt in 16 g of dioxygen.
The balanced reaction of combustion of carbon can be written as:
C(s) + O2(g) → CO2(g)
(i) As per the balanced equation, 1 mole of carbon burns in 1 mole of dioxygen (air) to produce 44 gram of carbon dioxide.
(ii) Oxygen is acting as LIMNITING REAGENT. it will react with 0.5 mole of carbon to give 22 g of carbon dioxide.
(iii) According to the question, only 16 g of dioxygen is available. It is a limiting reactant. Thus, 16 g of dioxygen can combine with only 0.5 mole of carbon to give 22 g of carbon dioxide.
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