STOI SS Empir Form Adv - Contents
- Page 1Introduction - ReviewDetermining empirical formula from mass percent
- 14 marksPage 2Problem 1
- Page 3Extension - ReviewDetermining empirical formula from mass of CO2 and mass of H2O produced on combustion
- 24 marksPage 4Problem 2Cumene is a hydrocarbon that is used in production of propanone and phenol in chemical industry. Combustion of 47.6 mg cumene produces 156.8 mg CO2 and 42.8 mg H2O.
- 14 marksPage 5Problem 3Complete combustion of 0.122 g of a compound containing only carbon, hydrogen and oxygen gave 0.183 g CO2 and 0.0487 g water.