Question

спасайте
Блок химия. ​

Answer 1

SO2 + H2O = H2SO3
SO3 + 2NaOH = Na2SO4 + H2O
H2SO4 + Na2O = Na2SO4 + H2O

AlCl3 + 3NaOH = Al(OH)3 + 3NaCl
2Al(OH)3 = Al2O3 + 3H2O
Al2O3 + NaOH = NaAlO2 + H2O