a compound containing the elements c , h , n , and o is analyzed. when a 1.2359 g sample is burned in excess oxygen, 2.241 g of co2(g) is formed. the combustion analysis also showed that the sample contained 0.0648 g of h. a) determine the mass, in grams, of c in the 1.2359 g sample of the compound. 1 point is earned for the correct answer.
