a) Na2SO3 + 2HCl = 2NaCl + SO2 + H2O
2Na+ + SO32- + 2H+ 2Cl- = 2Na+ + 2Cl- + SO2 + H2O
SO32- + 2H+ = SO2 + H2O
b) KOH + HBr = KBr + H2O
K+ + OH- + H+ + Br- = K+ + Br- + H2O
OH- + H + = H2O
d) AgNO3 + KCl = AgCl + KNO3
Ag+ + NO3- + K+ + Cl- = AgCl + K+ + NO3-
Ag+ + Cl- = AgCl
Объяснение:
a) Na2SO3 + 2HCl = 2NaCl + SO2 + H2O
2Na+ + SO32- + 2H+ 2Cl- = 2Na+ + 2Cl- + SO2 + H2O
SO32- + 2H+ = SO2 + H2O
b) KOH + HBr = KBr + H2O
K+ + OH- + H+ + Br- = K+ + Br- + H2O
OH- + H + = H2O
d) AgNO3 + KCl = AgCl + KNO3
Ag+ + NO3- + K+ + Cl- = AgCl + K+ + NO3-
Ag+ + Cl- = AgCl
Объяснение: