2.241 g CO2 x (1 mol CO2/molar mass CO2) x (atomic mass C/1 mol C) = g carbon.
1.2359 g sample x 0.2884 = g nitrogen.
1.2359 g sample - g C - g N -g H = grams O.
Convert g C to percent C.
Convert g N to percent N.
Convert g H to percent H.
Convert g O to percent O.
Take a 100 g sample which will give you the grams of C, H, O, and N equal to the percents of each.
Convert g C, H, O, and N to mols by dividing by the atomic mass of C, H, O, and N respectively.
Convert to the ratio of small whole numbers. The easiest way to do this is to divide the smallest number of mols by itself (which gives it a value of 1.000). Divide all the other mole values by the same small number, then take the ratio of those whole numbers.
Post your work if you get stuck. Check my thinking. Check my work.
thanks so much for your help!
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