Пропанол-2.................<span>CH2=CH-CH3 + H2O = CH3 - CH(OH) - CH3</span>
<span>2 Al + 6 HCl = 2 AlCl3 + 3 H<span>2
</span></span><span>2 AlCl3 = 2 Al + 3 Cl<span>2
</span></span><span>2 Al + 3 H2S = Al2S3 + 3 H<span>2
</span></span><span>Al2S3 + 6 H2O = 2 Al(OH)3 + 3 H2S
</span><span>2 Al(OH)3 = Al2O3 + 3 H2O
</span><span>2 Al2O3 = 4 Al + 3 O<span>2</span></span>
C₂H₅Br + 2Na + Br-C₂H₅ ---> CH₃-CH₂-CH₂-CH₃ + 2NaBr
(бутан)
2NaOH+H2SO4=Na2SO4+2H2O
nH2SO4=49:98=0.5 моль. nNaOH=49:40=1.225 nNa2SO4=n кислоты.
m Na2SO4=1.225×142=173.95 г.
вроде так