Awater sample consists of the following cadmium species and their percentages of the total cadmium concentration: cd2 (36 %); cdhco3- (14 %); cdcl- (25 %); and cd(oh)2 (25 %). what percentage of cd is toxic to aquatic organisms

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.

personal, she chose to do it.

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