what mass of coke is required to produce as much carbon di oxide is produced by burning 4 grams of methane gas in pure oxygen?

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Solution

$C H_{4} + 2 O_{2} \to C O_{2} + 2 H_{2} O 16 g o f m e t h a n e g a s g i v e s 44 g o f C O_{2} T h u s 4 g o f m e t h a n e g a s g i v e s = \frac{44}{16} \times 4 = 11 g o f C O_{2} C + O_{2} \to C O_{2} 44 g o f C O_{2} i s p r o d u c e d f r o m 12 g o f C o k e T h u s 11 g o f C O_{2} i s p r o d u c e d f r o m = \frac{12}{44} \times 11 = 3 g o f c o k e$

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what mass of coke is required to produce as much carbon di oxide is produced by burning 4 grams of methane gas in pure oxygen?

CH4 + 2O2 → CO2 +2 H2O16 g of methane gas gives 44 g of CO2Thus 4 g of methane gas gives =4416 × 4 = 11 g of CO2C + O2 → CO244 g of CO2 is produced from 12 g of CokeThus 11 g of CO2 is produced from = 1244 × 11 = 3 g of coke