С2Н5ОН = С2Н4 + Н2О
<span>46 -----22,4 </span>
<span>4,6 ----х </span>
<span>х = 2,24 л (теор. ) </span>
<span>2,24 ----100% </span>
<span>х -----------90% </span>
<span>х = 2,016 л</span>
Fe -> Fe2O3 -> FeCl3 -> Fe(OH)3 -> Fe2(SO4)3
4Fe + 3O2 = 2Fe2O3
Fe2O3 + 6HCl = 2FeCl3 + 3H2O
FeCl3 + 3NaOH = Fe(OH)3 + 3NaCl
2Fe(OH)3 + 3H2SO4 = Fe2(SO4)3 + 6H2O<span />
2Na+2CH3COOH=2CH3COONa+H2
n(Na)=1500/23=65моль
n(Na)=n(CH3COONa)
m(CH3COONa)=84*65=5330гр
10FeSO4+2KMnO4+8H2SO4=5Fe2(SO4)3+K2SO4+2MnSO4+8H2O