448 л                                               Х л

 СО2            +         С          =          2СО

n = 1 моль                                     n = 2 моль

Vm = 22,4 л/моль                         Vm=22,4 л/моль

V = 22,4 л                                      V = 44,8 л

448 л СО2     -     Х л СО

22,4 л СО2   -    44,8 л СО

V(CO) = 448 * 44,8 / 22,4 = 890 л