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OpenStudy (anonymous):
You need to make a stock solution of a known copper concentration for your experiment. You start by weighing out a piece of pure copper wire which has a mass of 0.220 g. You then add 1.0 mL of 12 M HNO3, 3.0 mL of H2O and 2.0 mL of 12 M NH4OH to dissolve the copper metal. What is the molarity of the copper in the solution?
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