fe + h2so4 ----> feso4 + h2 (1)
Zn + h2so4 ----> znso4 + h2 (2)
mFe = mhh . 56,37% = 14,9 . 56,37% = 8,39913 (g)
mZn = mhh - mFe=14,9 - 8,39913= 6,50087 (g)
=> nFe = mFe/Mfe= 8,39913/56= 0,15 mol
nZn=mZn/Mzn =6,50087/65=0.1 mol
theo pt (1)(2)
nH2(1)=nFe=0.15 mol; nFeso4 = nFe= 0.15 mol
nH2(2)=nZn=0.1 mol; nZnso4 = nZn=0.1 mol
=> nH2 = nH2(1) + nH2(2) = 0.15+0.1 =0.25 mol
=> VH2 = nH2 . 22,4=0,25 22,4 = 5,6 (lít)
mFeso4 =nFeso4. Mfeso4 = 0,15. 152= 22,8(g)
mZnso4 = nZnso4. Mznso4=0,1 .161=16.1 (g)