Igcse Model Questions Vol1 2018 Chemistry Question 5

Practice essay / theory question 5 from the 2018 Igcse Model Questions Vol1 Chemistry examination. This question covers Stoichiometry, Limiting reactant, Theoretical yield, Percent yield, Excess reagent .

Igcse Model Questions Vol1 2018 Chemistry Essay / Theory

Topics: Stoichiometry Limiting reactant Theoretical yield Percent yield Excess reagent

Question 5 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • essay

A sample of aluminium metal reacts with aqueous hydrochloric acid according to the equation: 2 Al + 6 HCl → 2 AlCl₃ + 3 H₂. A student places 15.0 g of Al into a beaker containing 80.0 cm³ of 1.5 M HCl and allows the reaction to proceed to completion.

Question Parts

( a )

Identify the limiting reactant.

( b )

Calculate the theoretical mass of aluminium chloride (AlCl₃) that can be formed.

( c )

The experiment actually yields 4.20 g of AlCl₃. Calculate the percent yield.

( d )

Determine the mass of excess aluminium that remains unreacted after the reaction is complete.

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About This Question

This is Igcse Model Questions Vol1 2018 Chemistry Question 5. It is one of the essay questions from the 2018 Igcse Model Questions Vol1 Chemistry examination.

The question covers Stoichiometry, Limiting reactant, Theoretical yield, Percent yield, Excess reagent .

View More Igcse Model Questions Vol1 2018 Chemistry Questions More Igcse Model Questions Vol1 Practice Questions Back to Questions

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