Dissolved Concentrations of Copper(II) as Low as 10^-6 M Are

question 48

Essay

Dissolved concentrations of copper(II) as low as 10^-6 M are toxic to phytoplankton. However, phytoplankton survive in a solution that is 10^-3 M in copper(II) nitrate and 10^-3 M ethylenediaminetetraacetic acid (EDTA). Why?

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