Igcse Model Questions Vol1 2019 Chemistry Question 5

Practice essay / theory question 5 from the 2019 Igcse Model Questions Vol1 Chemistry examination. This question covers Stoichiometry .

Igcse Model Questions Vol1 2019 Chemistry Essay / Theory

Topic: Stoichiometry

Question 5 IGCSE_MODEL_QUESTIONS_VOL1 • 2019 • CHEMISTRY • essay

Aluminium metal reacts with aqueous copper(II) sulphate according to the equation: 2Al(s) + 3CuSO4(aq) → Al2(SO4)3(aq) + 3Cu(s) A student carries out the reaction using 5.0 g of aluminium and 12.0 g of anhydrous copper(II) sulphate. After the reaction the copper obtained is weighed and found to be 4.2 g. Answer the following questions.

Question Parts

( a )

State which reactant is the limiting reagent and show the calculation that leads to your conclusion.

( b )

Calculate the theoretical mass of copper that could be produced from the quantities of reactants used.

( c )

Given that the actual mass of copper obtained is 4.2 g, calculate the percent yield of the reaction.

( d )

Write the net ionic equation for the reaction and explain the changes in oxidation state for the elements that are oxidised and reduced.

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About This Question

This is Igcse Model Questions Vol1 2019 Chemistry Question 5. It is one of the essay questions from the 2019 Igcse Model Questions Vol1 Chemistry examination.

The question covers Stoichiometry .

View More Igcse Model Questions Vol1 2019 Chemistry Questions More Igcse Model Questions Vol1 Practice Questions Back to Questions

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