# Titration: Finding Percent CuSO4 in a Solution

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Copper 2 ions can be determined by the net reaction

2Cu +2I- + 2S2O3)2----->2Cu(s)+S4O6)2-

A 2.115-g sample containing CuCO4 and excess KI is titrated with 32.55ml of o.1214M solution of NA2S2O3.

What is the percent CuSO4? (159.6/g mole in the sample)

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The solution provides step by step calculations for finding the percent of a molecule in a solution.

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