Calculate the empirical formula of an organic compound, which contains C = 74.0 % , H = 8.65 % and N = 17.3 % .

Question

Calculate the empirical formula of an organic compound, which contains C = 74.0 % , H = 8.65 % and N = 17.3 % ., C 5 H 8 N, C 10 H 12 N, C 5 H 7 N, C 10 H 14 N

MARKS App · Accepted Answer

E l e m e n t N o . o f M o l e s S i m p l e R a t i o C = 74 74 / 12 = 6.1 6.1 / 1.2 = 5.08 o r 5 H = 8.65 8.65 / 1 = 8.65 8.6 / 1.2 = 7.16 o r 7 N = 17.3 17.3 / 14 = 1.2 1.2 / 1.2 = 1 o r 1 Empirical formula = C 5 H 7 N .

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