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Answer in General Chemistry for O.Weerasinghe #152377

Author:
March 17th, 2023

CxHy + O2 → CO2 + H2O

CxHy + (x+y/4)O2 → xCO2 + (y/2)H2O

V(CxHy) = 18 cm3

V(H2O) = 162 cm3

V(CO2) = 126 cm3

“frac{n(CO_2)}{n(C_xH_y )} = frac{x}{1} = frac{126}{18} \nnx = 7 \nnfrac{n(CO_2)}{n(H_2O)} = frac{x}{frac{y}{2}} \nnfrac{2x}{y} = frac{126}{162} \nn frac{14}{y} = frac{126}{162} \nny = 18”

Answer: C7H18

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