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IB Chemistry R2.1.1 Chemical Equations and Stoichiometry Questionbank

Question

HLPaper 2

A reaction vessel is charged with aluminum and chlorine gas to synthesize aluminum chloride ( $AlCl_3$ ). The initial quantities of the reactants are provided in the table below.

(a)

Practice IB Chemistry Topic R2.1.1 Chemical Equations and Stoichiometry with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for R2.1.1 Chemical Equations and Stoichiometry and mirrors Paper 1A, 1B, 2 style where relevant.

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Using the balanced equation $2\,\text{Al(s)} + 3\,\text{Cl}_2\text{(g)} \rightarrow 2\,\text{AlCl}_3\text{(s)}$ , deduce the maximum amount, in mol, of aluminum chloride that can be produced from this mixture.

[1]

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(b)

Determine the mass, in g, of the reactant that remains in excess at the end of the reaction. ( $A_r(Al)=26.98$ )

[2]

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1

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Aluminum ( $Al$ )	$0.500$
Chlorine ( $Cl_2$ )	$0.600$

IB Chemistry R2.1.1 Chemical Equations and Stoichiometry Questionbank

IB Chemistry Topic R2.1.1 Chemical Equations and Stoichiometry Questionbank