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Mass of flask, stopper, and 5mL of water 102.945 g Mass of flask, stopper, and filled with water 238.389 g Volume...

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Chemistry

Mass of flask, stopper, and 5mL of water102.945g
Mass of flask, stopper, and filled with water238.389g
Volume of gas space in flask (the difference between the abovetwo measurements converted to mL) (L).135444L

NaHCO3 + HCl reaction

Trial 1Trial 2Units
Mass of NaHCO30.0530.050g
Mass of system before reaction117.026117.189g
Mass of system after reaction116.809117.159g
Mass Change0.2170.030g
Initial Pressure0.98760.9887atm
Maximum Pressure1.05151.0648atm
Change in Pressure0.06390.0761atm
Temperature of water bath296.3296.6K

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 :(

Answer & Explanation Solved by verified expert
3.7 Ratings (320 Votes)
Mass of flask stopper 5 mL water g 102945 Mass of flask stopper filled with water g 238389 Volume of gas space in the flask L 0135444 Trial 1 Trial 2 Mass of NaHCO3 g 0053 0050 Mass of system before reaction g 117026 117189 Mass of system after reaction g 116809 117159 Mass change g 0217 0030 Initial pressure atm 09876 09887 Maximum pressure atm 10515 10648    See Answer
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