To Determine The Partial Pressure Of Hydrogen Gas In The Mixture Of Gases In The Eudiometer Ptotal Pbarometric Ph2 1 (35.08 KiB) Viewed 33 times
To Determine The Partial Pressure Of Hydrogen Gas In The Mixture Of Gases In The Eudiometer Ptotal Pbarometric Ph2 2 (35.88 KiB) Viewed 33 times
to determine the partial pressure of hydrogen gas in the mixture of gases in the eudiometer: Ptotal = Pbarometric = PH2 + PH2O + Piquid column = = Both Hai and H20 are present because the gas was collected through an aqueous solution. Using the appendix nyour lab manual, determine the vapor pressure of water at the temperature of your water in the beaker (Note: cu may need to interpolate the value by taking the average of two values! The Piquid column must be converted to ir mHg using the density ratio of water : mercury which is 1.05/13.6. Multiply this ratio by the liquid height in millimeters (see sample problem in discussion). Now solve for the partial pressure of Hz. - PH2 = Pbarometric - PH2o - Piquid column
22° Length of magnesium ribbon, cm 4.210 cm Volume of hydrogen gas, mL 98.9 Temperature of gas, °C (T room) Atmospheric pressure, torr 764.5 Height of solution in tube, mm 6.4 mA 193 mm T water, °C 72.5 22° Vapor pressure of water, torr 19.84 g Linear "density" conversion factor for Mg given by the instructor: 1.9198X cm 10
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