Mass of flask, stopper, and 5mL of water | 102.945 | g |
Mass of flask, stopper, and filled with water | 238.389 | g |
Volume of gas space in flask (the difference between the abovetwo measurements converted to mL) (L) | .135444 | L |
NaHCO3 + HCl reaction
| Trial 1 | Trial 2 | Units |
Mass of NaHCO3 | 0.053 | 0.050 | g |
Mass of system before reaction | 117.026 | 117.189 | g |
Mass of system after reaction | 116.809 | 117.159 | g |
Mass Change | 0.217 | 0.030 | g |
Initial Pressure | 0.9876 | 0.9887 | atm |
Maximum Pressure | 1.0515 | 1.0648 | atm |
Change in Pressure | 0.0639 | 0.0761 | atm |
Temperature of water bath | 296.3 | 296.6 | K |
a)From the P,V,T data calculate the ACTUALmoles of CO2 produced in each trial
b) With your result from part a, calculate the molar mass ofCO2 for each trial.
I think I'm using the wrong pressure in my calculationswhen I try it. I'm not sure :(