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December 20, 2014

Homework Help: Chemistry

Posted by Monty on Tuesday, March 8, 2011 at 2:43am.

The Concentration of Cu2+ ions in the water (which also contains sulfate ions) discharged from a certain industrial plant is determined by adding excess sodium sulfide(Na2S) solution to .800 L of the water. Molecular Equation:

Na2S(aq) CuSO4(aq) --> Na2SO4(aq) + CuS(s)

Write the net ionic equation and calculate the molar concentration of Cu2+ in the water sample if .0177g of solid CuS is formed.

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