Question

In: Chemistry

Assume you wanted to end up with 38.0 g of copper from the reaction below. What...

Assume you wanted to end up with 38.0 g of copper from the reaction below. What mass of copper (II) sulfate would be required?

Fe + CuSO4-------> Cu + FeSO4

Solutions

Expert Solution

Mass of Cu = 28 g

Molar mass of Cu = 63.5 g/mol

Number of moles of Cu formed = mass/molar mass

                                              = 28/63.5

                                              =0.441 mol

So, moles of CuSO4 required = 0.441 mol

Molar mass of CuSO4 =159.5 g/mol

Mass of CuSO4 required =number of moles * molar mass

                                    = 0.441*159.5

                                    =70.33 g

Answer: 70.33 g


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