2Al + 3H2SO4= Al2(SO4)3 + 3H2
n(Al)=5.4/27=0.2 моль
n(Al2(SO4)3) = 0.2/2=x/1 значит = 0,1 моль
m(Al2(SO4)3)= 0.1 * 342=34.2г
m(Al2(SO4)3)=34.2 * 0.92=31.464г
2Al + 3H2SO4= Al2(SO4)3 + 3H2
n(Al)=5.4/27=0.2 моль
n(Al2(SO4)3) = 0.2/2=x/1 значит = 0,1 моль
m(Al2(SO4)3)= 0.1 * 342=34.2г
m(Al2(SO4)3)=34.2 * 0.92=31.464г