•Fluorine can react
 with oxygen to yield oxygen difluoride:    2F2(g) + O2(g) D
 2OF2(g)
 •What is the value of
 Keq if the following concentrations are
 found at equilibrium?  [O2] = 0.200mol/L; [F2]=0.0100mol/L
  [OF2]=0.0633mol/L
 •
 •What is [O2] at equil when [OF2]=0.22mol/L and [F2]=0.0300mol/L?
 •
 •What is [OF2] at equil when   [F2]=0.080mol/L and [O2] = 0.650mol/L?