![]() Now we need to convert the moles to grams of these elements 0.006430 mol C xįind the mass of Oxygen by subtracting the C and H from the total mass of the sampleĠ.1005g= 0.07716 g C + 0. The only products of the combustion of a compound that contains only carbon and hydrogen (CaHb) or carbon, hydrogen, and oxygen (CaHbOc) are carbon dioxide. ![]() ![]() What is the empirical formula for menthol? 0.2829 g of CO 2 x ![]() The same kind of reasoning applies for H to H2O and N to NO2. An organic compound A contains 62.07o by mass of carbon, 24.1o/o by. A 0.1005 g sample of menthol is combusted, producing 0.2829 g of CO 2 and 0.1159 g of H 2O. We can write an equation for the (complete) combustion of the substance as follows: CxHyNz + (x+y/2+z)/2O2 to xCO2+y/2H2O+zNO2 That might look complicated, but all we're saying is that each mole of C in the reactant will create 1 mole of CO2 as a product, and require 1/2 mole of O2 to do so. An organic compound, A, containing only the elements carbon, hydrogen and oxygerr. ![]() Menthol, the substance we can smell in mentholated cough drops, is composed of C, H, and O. ![]()
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