College Chemistry
posted by Bekah .
Zinc, copper, lead, and mercury ions are toxic to Atlantic salmon at concentrations of 6.42 times 10 to the 2 mM, 7.16 times 10 to the 3 mM, 0.965 mM, and 5.00 times 10 to the 2 mM, respectively. What are the corresponding concentration is milligrams per liter?
A. Concentrations of zinc
B. Concentration of copper
C. Concentration of lead
D. Concentration of mercury

A solution of 110 of 0.150 koh is mixed with a solution of 290 of 0.250 niso4 .
what is the precipate
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