SO2→ SO3→ H2SO4 → Na2SO4
2SO2 + О2 = 2SO3
SO3 + Н2О = H2SO4
H2SO4 + 2 NaOH = Na2SO4 + 2Н2О
2H+ + SO42-- + 2Na+ + 2OH-- = 2Na+ + SO42-- + 2Н2О
H+ + OH-- = Н2О
SO2→ SO3→ H2SO4 → Na2SO4
2SO2 + О2 = 2SO3
SO3 + Н2О = H2SO4
H2SO4 + 2 NaOH = Na2SO4 + 2Н2О
2H+ + SO42-- + 2Na+ + 2OH-- = 2Na+ + SO42-- + 2Н2О
H+ + OH-- = Н2О