i FileEdit View HistoryWindow HelpBookmarks57%Tuewww-awn.aleks.comEKS Daniel Ruiz LearnYouTubeProgram Details Dr Pepper Tuition Giveawaymili means-Google SearchmM to MO STOICHIOMETRYSolving for a reactant in solutionDaOne way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid.The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure coppermetal precipitates out because of the following chemical reaction:Fe(s) + CuSO 4(aq) Cu(s) + FESO 4(aq)Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. He adds powdered iron to a 350. mLcopper(II) sulfate sample from the plant until no more copper will precipitate. He then washes, dries, and weighs the precipitate, and finds that it has a mass of146. mg.Calculate the original concentration of copper(II) sulfate in the sample. Be sure your answer has the correct number of significant digits.x10?XExplanationCheck

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Solving for a reactant in solution
Da
One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid.
The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper
metal precipitates out because of the following chemical reaction:
Fe(s) + CuSO 4(aq) Cu(s) + FESO 4(aq)
Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. He adds powdered iron to a 350. mL
copper(II) sulfate sample from the plant until no more copper will precipitate. He then washes, dries, and weighs the precipitate, and finds that it has a mass of
146. mg.
Calculate the original concentration of copper(II) sulfate in the sample. Be sure your answer has the correct number of significant digits.
x10
?
X
Explanation
Check
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i File Edit View History Window Help Bookmarks 57% Tue www-awn.aleks.com EKS Daniel Ruiz Learn YouTube Program Details Dr Pepper Tuition Giveaway mili means-Google Search mM to M O STOICHIOMETRY Solving for a reactant in solution Da One way in which the useful metal copper is produced is by dissolving the mineral azurite, which contains copper(II) carbonate, in concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue solution of copper(II) sulfate. Scrap iron is then added to this solution, and pure copper metal precipitates out because of the following chemical reaction: Fe(s) + CuSO 4(aq) Cu(s) + FESO 4(aq) Suppose an industrial quality-control chemist analyzes a sample from a copper processing plant in the following way. He adds powdered iron to a 350. mL copper(II) sulfate sample from the plant until no more copper will precipitate. He then washes, dries, and weighs the precipitate, and finds that it has a mass of 146. mg. Calculate the original concentration of copper(II) sulfate in the sample. Be sure your answer has the correct number of significant digits. x10 ? X Explanation Check

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Expert Answer

Step 1

When iron reacts with copper sulphate it produced iron sulphate and copper as product

Mass of copper is ...

Fe(s)CuSO(aq)->Cu(s) + FeSO2(aq)
(1)
no. of mole given mass
molar mass
(2)
1 g
63.5 g mol1 1000 mg
146 mg
no. of mole =
=2.299x10- mol of Cu
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Fe(s)CuSO(aq)->Cu(s) + FeSO2(aq) (1) no. of mole given mass molar mass (2) 1 g 63.5 g mol1 1000 mg 146 mg no. of mole = =2.299x10- mol of Cu

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