PTHH : 2Al+3H2SO4->AL2(SO4)3+3H2 0.2 0.3 0.3 (mol)nH2=6.72/22.4=0.3mAl=0.2*27=5.4 (g)mAg=4.6 (g)=> m hh=5.4+4.6=10(g)%mAl=5.4/10*100=54%%mAg=100-54=46%mH2SO4=0.3*98=29.4 (g)m ddH2SO4=29.4/20*100=147(g)
PTHH : 2Al+3H2SO4->AL2(SO4)3+3H2 0.2 0.3 0.3 (mol)nH2=6.72/22.4=0.3mAl=0.2*27=5.4 (g)mAg=4.6 (g)=> m hh=5.4+4.6=10(g)%mAl=5.4\frac{a}{b}10*100=54%%mAg=100-54=46%mH2SO4=0.3*98=29.4 (g)m ddH2SO4=29.4\frac{a}{b}20*100=147(g)
PTHH : 2Al+3H2SO4->AL2(SO4)3+3H2 0.2 0.3 0.3 (mol)nH2=6.72/22.4=0.3mAl=0.2*27=5.4 (g)mAg=4.6 (g)=> m hh=5.4+4.6=10(g)%mAl=5.4
/10*100=54%%mAg=100-54=46%mH2SO4=0.3*98=29.4 (g)m ddH2SO4=29.4
/20*100=147(g)