A water 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

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Chemistry

11 June, 16:08

A water 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

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Amiyah Griffith · Answer 1

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.