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6.2 Quantitative analysis

6.2 Quantitative analysis

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Question 9
H

A sodium chloride solution is 5.85 g dm−35.85\,\mathrm{g\,dm^{-3}}5.85gdm−3. Given Mr(NaCl)=58.5M_r(\mathrm{NaCl})=58.5Mr​(NaCl)=58.5, what is the molar concentration?

[1]
A

1.00 mol dm−31.00\,\mathrm{mol\,dm^{-3}}1.00moldm−3

B

10.0 mol dm−310.0\,\mathrm{mol\,dm^{-3}}10.0moldm−3

C

342 mol dm−3342\,\mathrm{mol\,dm^{-3}}342moldm−3

D

0.100 mol dm−30.100\,\mathrm{mol\,dm^{-3}}0.100moldm−3

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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