A watch glass and Filter paper weighing 41.060g was used to collect the CuSCN precipitate in this experiment. After drying, the precipitate, watch…

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A watch glass and Filter paper weighing 41.060g was used to collect the CuSCN precipitate in this experiment. After drying, the precipitate, watch glass, and filter paper weighed 42.525g. If the sample alloy used for the analysis weighed 1.380g, what was the percent copper in the alloy? Besides copper, what cations are present in solution after you react the alloy nitric acid?

 
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