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6.2 Quantitative analysis

6.2 Quantitative analysis

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Question 17
H

20 cm320\,\mathrm{cm^{3}}20cm3 of propane is mixed with 150 cm3150\,\mathrm{cm^{3}}150cm3 of oxygen and burned completely:

C3H8(g)+5O2(g)→3CO2(g)+4H2O(l)\mathrm{C_{3}H_{8}(g) + 5O_{2}(g) \rightarrow 3CO_{2}(g) + 4H_{2}O(l)}C3​H8​(g)+5O2​(g)→3CO2​(g)+4H2​O(l)

All volumes are measured at room temperature and pressure, when the water is a liquid. What is the total volume of gas left after the reaction?

[1]
A

60 cm360\,\mathrm{cm^{3}}60cm3

B

110 cm3110\,\mathrm{cm^{3}}110cm3

C

140 cm3140\,\mathrm{cm^{3}}140cm3

D

190 cm3190\,\mathrm{cm^{3}}190cm3

Markscheme

6.2 Quantitative analysis Questions

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

157 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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