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6.2 Quantitative analysis

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Question 22

Hydrogen chloride forms in the reaction

H2(g)+Cl2(g)→2HCl(g)\mathrm{H_2(g) + Cl_2(g) \rightarrow 2HCl(g)}H2​(g)+Cl2​(g)→2HCl(g)

A 35 cm3 sample of chlorine reacts completely with excess hydrogen. All gas volumes are measured at the same temperature and pressure.

What volume of hydrogen chloride is formed?

[1]
A

35 cm335\,\mathrm{cm^3}35cm3

B

105 cm3105\,\mathrm{cm^3}105cm3

C

70 cm370\,\mathrm{cm^3}70cm3

D

17.5 cm317.5\,\mathrm{cm^3}17.5cm3

Markscheme

6.2 Quantitative analysis Questions

  1. GCSE
  2. /Chemistry
  3. /6.2 Quantitative analysis

151 exam-style questions on Edexcel GCSE Chemistry 6.2 Quantitative analysis, covering 6.2.1 Concentration in mol dm⁻³ and titration calculations, 6.2.2 Percentage yield and why actual yield falls short, 6.2.3 Atom economy of a reaction, 6.2.4 Choosing a reaction pathway, and 6.2.5 Molar volume of gases and Avogadro's law. Each one has a worked solution and a mark scheme showing where the marks go.

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