Homework Help: College Chemistry

Posted by Bekah on Sunday, October 2, 2011 at 7:03pm.

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

College Chemistry - Anonymous, Monday, October 3, 2011 at 7:23pm
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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