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April 19, 2014

Homework Help: Chemistry

Posted by Karina on Sunday, October 21, 2012 at 6:33pm.

Mass (before reaction): test tube + HCl(aq) + stir bar + capsule 26.600 g
Mass (after reaction): test tube + HCl(aq) + stir bar + capsule 25.300 g
Volume of water displaced from the squirt bottle 148 mL
Temperature of the CO2(g) 287.4 K
Pressure (atm) 1.032 atm

Using this data answer each of the questions below. Enter your answer to three significant figures and enter only the numerical value in the answer box.

Calculate the mass of CO2(g).



Calculate the number of moles of CO2(g).



Calculate the density of CO2(g) in g/L.



Calculate the molar mass of CO2 assuming a temperature of 287.4 K.



Calculate the Gas constant, R, in L*atm/K*mol.



Calculate the % error of the value of the Gas constant, R.

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