Chemistry
posted by Cynthia .
Using the van der Waals equation, determine the pressure of 436.0g of SO2(g) in a 7.30L vessel at 725k.?
For SO2(g), a=6.865L^2•atm/mol^2 and b=0.05679L/mol. (R=0.0821L•atm/(K•mol))

What's your problem. You substitute the numbers and turn the crank.