Posted by lt on Sunday, October 21, 2007 at 7:07pm.
(P1V1)/T1 = (P2V2)/T2
Since T1 = T2 you can omit that from the equation.
Sorry I didn't see your answer. The equation you used is ok but you didn't substitute the correct numbers.
V1 = 2.68 as you have.
P1 = 789 mm
P2 = 632 mm
The 23 you used is the temperature and doesn't enter the equation.
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