Ответ:
K2O + H2O = 2KOH
2KOH + H2CO3 = K2CO3 + 2H2
K2CO3 + 2HCl = 2KCl + CO2 + H2O
KCl + AgNO3 = KNO3 + AgCl
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Ответ:
K2O + H2O = 2KOH
2KOH + H2CO3 = K2CO3 + 2H2
K2CO3 + 2HCl = 2KCl + CO2 + H2O
KCl + AgNO3 = KNO3 + AgCl