Asked by Luc

A 355.0 mL cylinder containing SO3 at a pressure of 0.700 atm is connected by a valve to 0.559 L cylinder containing COCl2 at 380.0 torr pressure. Calculate the partial pressure (atm) of SO3 when the valve is opened.

Unit conversion
K = C + 273
1 atm = 760 torr

Molar Mass (g/mol)
SO3 80.063
COCl2 98.916
Answered by DrBob222
Use PV = nRT to calcualte n for SO3 in the tank. Then use PV = nRT to calculate p for the new volume of both tanks.
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