Answer:
61%
Explanation:
Cd2+ and CD(OH)2 both contain the Cd2+ specie which is chemically similar to Zn2+both being in the same group in the periodic table. Cd2+ is know to be toxic when absorbed together with Zn 2+ ions and will definitely be toxic to the aquatic species.
H
b/c the polyatomic PO4¯³
have 3 valance number
si por favor
Let's see
Answer: C