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 Form 3 Chemistry Questions and Answers on The Mole

Analysis of a compound showed that it had the following composition; 69.42% carbon,4.13% hydrogen and the rest oxygen.
a).Determine the empirical of the compound (C=12.0 ;H =1.0; O=16.0)
b).If the mass of one mole of the compound is 242, determine its molecular formula.
(KCSE 2010 paper 1 question 17.)

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