Ответ:
K->K2O->KOH->KCl->KNO3
1) 4 K+O2 = 2 K2O
2) K2O+H2O = 2 KOH
3) KOH+HCl-> KCl+H2O
4)KCl+NaNO3 = KNO3+NaCl
2K+ 2H2O= 2KOH+H2
4K+O2=2 K2O
K2O+2HNO3= 2KNO3+H2O
K2O+H2O= 2KOH
3KOH+H3PO4= K3PO4+ 3H2O
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Ответ:
K->K2O->KOH->KCl->KNO3
1) 4 K+O2 = 2 K2O
2) K2O+H2O = 2 KOH
3) KOH+HCl-> KCl+H2O
4)KCl+NaNO3 = KNO3+NaCl
Ответ:
2K+ 2H2O= 2KOH+H2
4K+O2=2 K2O
K2O+2HNO3= 2KNO3+H2O
K2O+H2O= 2KOH
3KOH+H3PO4= K3PO4+ 3H2O