1) 2Na + H2O---->2NaOH + H22) O2 + 2H2----->2H2O3) Na2O + H2O---->2NaOH4) Ca(OH)2---->Ca(2+) + 2OH(-)A. H2O -----wodaB. NaOH ----wodorotlenek soduC. H2 --------wodórD. Ca(2+) ----kation wapniaE. OH(-) ------anion wodorotlenkowy
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1) 2Na + H2O---->2NaOH + H2
2) O2 + 2H2----->2H2O
3) Na2O + H2O---->2NaOH
4) Ca(OH)2---->Ca(2+) + 2OH(-)
A. H2O -----woda
B. NaOH ----wodorotlenek sodu
C. H2 --------wodór
D. Ca(2+) ----kation wapnia
E. OH(-) ------anion wodorotlenkowy