Ответ:
2Mg + O2 = 2MgO
MgO + H2O = Mg(OH) 2
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
S + O2 = SO2
SO2 + H2O = H2SO3
H2SO3 + K2O = K2SO3 + H2O
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Ответ:
2Mg + O2 = 2MgO
MgO + H2O = Mg(OH) 2
Mg(OH)2 + 2 HCl = MgCl2 + 2 H2O
S + O2 = SO2
SO2 + H2O = H2SO3
H2SO3 + K2O = K2SO3 + H2O