va rog imi trebuie acum!!!!!dau coroana plssssaa
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Răspuns:
Explicație:
ZnCl2 + 2H2O----> Zn(OH)2 + 2HCl
baza acid
Mg(NO3)2 + 2H2O----> Mg(OH)2 + 2HNO3
baza acid
AlCl3 + 3H2O----> Al(OH)3 + 3HCl
baza acid
Na2S + 2H2O---> 2NaOH + H2S
baza acid