Answer to Question #294729 in Organic Chemistry for Omo3032

Question

in a laboratory,1.55g of organic compound containing C, H, and O is combusted for analysis combustion resulted in 1.45g of carbon II oxide and 0.890g of steam. what is the empirical formular of the organic compound

Answer 1

Mass of O₂ = 2.55 - 1.45 - 0.890 = 0.21 g .

Moles of O₂ = 0.21 / 32 = 0.006

Moles of CO₂ = 0.032

Moles of H₂O= 0.890 / 18 = 0.049444

Then find molar ratio of CO₂ and H₂O.

So, ratio is 2 x : y =

moles of CO₂ / moles of H₂O .

Where x and y are atomicity of atom of c and H.