Solving for a reactant in solution One way in which the useful metal copper is p

Question

Solving for a reactant in solution One way in which the useful metal copper is produced is by dissolving The sulfuric acid reacts with the metal precipitates out because of the following chemical reaction: the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid copper(II) carbonate to produce a blue solution of copper(II) sulfate . Scrap iron is Fe(s) + CuSO4(aq) Cu(s) + FeSO4(aq) the following way. He adds powdered iron to a 200. mL Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in copper(II) sulfate sample from the plant un of 73. mg til no more copper will precipitate. He then washes, dries, and weighs the precipitate, and finds that it has a mass Calculate the original concentration of copper(!I) sulfate in the sample. Be sure your answer has the correct number of significant digits -10 Explanation Check ©2018 McGrewia Eduatan. Al Rigns Reserved. Terms of Use I Priv

Explanation / Answer

no of moles of copper = 0.073 / 63.5 = 9.9 x 10-4 mol

no fo moles of copper sulphate = no of moles of copper = 9.9 x 10-4 mol

mass of copper sulphate = 9.9 x 10-4 mol x 159.6 g/mol = 0.158 g

concentration of copper sulphate = 0.158 / 0.2 = 0.007917 g/L

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