Ответ:
S+O2→SO2
SO2+H2O→H2SO3
H2SO3+KCl→K2SO3+HCl
K2SO3+H2→K2O+H2S
K2O+H2O→KOH
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Ответ:
S+O2→SO2
SO2+H2O→H2SO3
H2SO3+KCl→K2SO3+HCl
K2SO3+H2→K2O+H2S
K2O+H2O→KOH