find the theoretical yield of Copper product Reaction 1: Conversion of Copper Me

ID: 949033 • Letter: F

Question

find the theoretical yield of Copper product

Reaction 1: Conversion of Copper Metal to Copper(II) Nitrate

4 mL of concentrated nitric acid (HNO3) is added to 0.55g of copper. after reaction is complete 100mL of water is added

Reaction 2: Conversion of Copper (II) Nitrate to Copper (II) Hydroxide

add 30mL of 3.0 M sodium hydroxide (NaOH

Reaction 3: Conversion of Copper (II) Hydroxide to Copper (II) Oxide

solution was heated then using gravity filtration to collect precipitate

Reaction 4: Converion of Copper (II) Oxide to /copper (II) Sulfate

add 15 mL of 6.0 M sulfuric acid (H2SO4)

Reaction 5: Conversion of Copper (II) Sulfate to Copper Metal

add zinc metal (Zn) to solution to make it colorless. then added 2mL of 6 M hydrochloric acid (HCl) until zinc dissolves

Mass of product after resction 5 is 0.94g

Theoretical yield of copper product

moles of Cu = 0.55 g/63.55 g/mol = 0.009 mols

1 mole of copper should yield 1 mole of CuSO4

moles of CuSO4 formed = 0.009 mols

Theoretical yield of CuSO4 = 0.009 mol x 159.61 g/mol = 1.44 g

Experimental mass of CuSO4 obtained = 0.94 g

percent yield of overall reaction = 0.94 x 100/1.44 = 65.28%

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