Calculate the amount of CO2 that could be produced when 1) 1 mole of carbon is burnt in air 2) 1 mole of carbon is burnt in 16 gram of O2 3) 2 moles of carbon is burnt in 16 gram of O2

Answer:

1). 1 mole of Carbon burnt in air

 

C + O2 →CO2

 

1 mole of carbon produces 1 mole of CO2 which is 44g of CO2

 

2). 1 mole of carbon is burnt in 16g of dioxygen

 

32g of O2 = 44g of CO2

 

1g of O2 = 44/32

 

CO2 (Dioxygen is limiting reagent)

 

16g of O2 = 4/32 × 16 = 22g of CO2 in one mole

 

3) 2 moles of Carbon burnt in 16g of dioxygen

 

16g of dioxygen is available, and thus it can combine with 0.5 mol of carbon to give 22g of CO2

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