PT: Fe+H2SO4 → FeSO4+H2↑
nFeSO4=15,2/152=0,1 (mol)
Theo PTHH: nFe=nH2SO4=nFeSO4=0,1 (mol)
a=mFe=0,1.56=5,6 (g)
mH2SO4=0,1.98=9,8 (g)
mdd H2SO4 pư=(9,8/20).100=46 (g)
mdd H2SO4 bđ=46+46.10%=50,6 (g)
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