A fire extinguisher for home use is made of steel cylinder of 550mL having water and carbon dioxide. The extinguisher weighs 1.54kilograms empty and 2.53 kilograms when fully filled by the gas mixture. The mass composition of mixture is 85% carbon dioxide. Determine the partial pressures of H2O and CO2 and the total pressure gas in extinguisher when filled to 25 ° C. State your results in atm and then convert them to Pa and mm Hg.