Posted by Matt on Sunday, December 2, 2007 at 3:59pm.
Use PV = nRT
Calculate n for each container, add the number of mols to get the sum, plug that back into PV = nRT and solve for pressure. You don't have a T listed but I used 273. Actually, I think you may use any T you wish as long as you keep it constant throughout. I get one of the answers. (Hint: you KNOW it isn't 250 and you KNOW it isn't 450).
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