Объяснение:
2K+2H2O=2KOH+H2
2KOH+H2SO4=K2SO4+2H2O
K2SO4+Ba(OH)2=BaSO4+2KOH
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Объяснение:
2K+2H2O=2KOH+H2
2KOH+H2SO4=K2SO4+2H2O
K2SO4+Ba(OH)2=BaSO4+2KOH