Odpowiedź:
2HgO---->2Hg+O2
Al2O3+3H2O---->2Al(OH)3
Na2O+2HNO3---->2NaNO3+H2O
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Odpowiedź:
2HgO---->2Hg+O2
Al2O3+3H2O---->2Al(OH)3
Na2O+2HNO3---->2NaNO3+H2O