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am nevoie urgent ce valenta au aceste baze NAOH KOH CA(OH)2 AL(OH)3​

Răspuns :

Răspuns:

NaOH

Na+¹ (OH)-¹

KOH

K+¹ (OH)-¹

Ca(OH)2

Ca+² (OH)-¹

Al(OH)3

Al+³ (OH)-¹

Explicație: