1. 2 Na+2 H2O--->2 NaOH+H2
2. 2 H2+O2--->2 H2O
3. 4 Na+O2--->2 Na2O
4. Na2O+H2O--->2 NaOH
5. NaOH--H2O-->Na+ +OH-
6. Ca(OH)2--H2O-->Ca2+ +2OH-
A- H2O, woda
B- NaOH, wodorotlenek sodu
C- H2, wodór
D- Ca2+, kation wapnia
E- OH-, anion wodorotlenkowy
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1. 2 Na+2 H2O--->2 NaOH+H2
2. 2 H2+O2--->2 H2O
3. 4 Na+O2--->2 Na2O
4. Na2O+H2O--->2 NaOH
5. NaOH--H2O-->Na+ +OH-
6. Ca(OH)2--H2O-->Ca2+ +2OH-
A- H2O, woda
B- NaOH, wodorotlenek sodu
C- H2, wodór
D- Ca2+, kation wapnia
E- OH-, anion wodorotlenkowy