Ответ:
2K+2H2O=2KOH
2KOH+Na2SO4=K2SO4+2NaOH
K2SO4+Pb(NO3)2=PbSO4+2KNO3
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Ответ:
2K+2H2O=2KOH
2KOH+Na2SO4=K2SO4+2NaOH
K2SO4+Pb(NO3)2=PbSO4+2KNO3