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OpenStudy (anonymous):
A sample of N2 in a flask at 25'C exerts a pressure of 525 torr. When 0.1 g of 02 is added to this flask, the pressure rises to 760 torr. The temperature constant and there is no reaction between N2 and O2. How many grams of N2 in the flask?
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OpenStudy (mos1635):
N2: P1*V=n1*R*T N2+O2: P2*V=(n1+n2)*R*T divide P1/P2=n1/n1+n2 (n2=m2/MM2) solve to n1 convert to gr
OpenStudy (anonymous):
Thanks a lot @mos1635 :)
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