This problem illustrates how combustion can be used to determine the molecular formula
Chapter 2, Problem 2.44(choose chapter or problem)
This problem illustrates how combustion can be used to determine the molecular formula of an unknown compound. A compound X (8.00 mg) undergoes combustion in a stream of oxygen to give 24.60 mg of CO2 and 11.51 mg of H2O. (a) Calculate the mass of carbon and hydrogen in X. (b) How many moles of H are present in X per mole of C? Express this as a formula C1Hx. (c) Multiply this formula by successive integers until the amount of H is also an integer. This is the molecular formula of X.
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