Ответ:

    2СH3-CH2-OH  =450 0 С, Al2O3,ZnO=  CH2=CH-CH=CH2 +2H2O +H2

n(СH3-CH2-OH)= n(C4H6)/0.75 *2 = (120/22.4)/0.75  *2 =14.3 моль

 

V(СH3-CH2-OH)= m/p = nM/p = (14.3*46)/0,8 = 822.25