Question

Find out the amount of CO2 that can be produced when

2 moles carbon are burnt in 16 g O2.

Answer 1

Explanation:

The balanced reaction of combustion of carbon in dioxygens is:

C(s) + O2(g) → CO2 (g)

1mole 1mole(32g) 1mole(44g)

(i) In dioxygen, combustion is complete. Therefore 1 mole of carbon dioxide produced by burning 1 mole of carbon.

(ii) Here, oxgen acts as a limiting reagent as only 16 g of dioxygen is available. Hence, it will react with 0.5 mole of carbon to give 22 g of carbon dioxide.

(iii) Here again oxgen acts as a limiting reagent as 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

Answer 2

Answer:

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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