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6.2 Quantitative analysis

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Question 45

A laboratory prepares 400 cm3 of potassium sulfate solution using 6.96 g of potassium sulfate.

The relative formula mass, MrM_rMr​, of potassium sulfate is 174.

Calculate the concentration of the potassium sulfate solution in mol dm−3\mathrm{mol\,dm^{-3}}moldm−3.

[3]
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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