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The following data were obtained from experiments to find the molecular formula of lidocaine, a local...

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Chemistry

The following data were obtained from experiments to find themolecular formula of lidocaine, a local anesthetic, which containsonly carbon, hydrogen, nitrogen, and oxygen. Complete combustion ofa 3.54-g sample of lidocaine with excess O2 formed 9.32 g CO2 and3.00 g H2O . Another sample of mass 2.35 g was found to contain0.281 g of N . The molar mass of lidocaine was found to be 234.

Find the molar formula of lidocaine.

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