Click on formulas to make commands appear here (and then copy into calculator)
Formula from Chapter 9: partial pressure from mole fraction
\(P_{\mathrm{A}} = X_{\mathrm{a}} \cdot P_{\mathrm{total}}\)
\(P_{\mathrm{total}}\)
\(= 1.0\ \mathrm{atm}\)
\(X_{\mathrm{\ce{N2}}}\)
\(= 0.79\)
\(P_{\mathrm{\ce{N2}}}\)
\(= X_{\mathrm{\ce{N2}}} \cdot P_{\mathrm{total}}\)
\(\ \ \ =0.79 \cdot 1.0\ \mathrm{atm}\)
\(\ \ \ =0.79\ \mathrm{atm}\)