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8.1 Purity, formulations and chromatography

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Question 23
H

On a chromatogram a spot moved 3.55 cm and the solvent moved 8.20 cm.

What is the Rf R_f\,Rf​ value of the spot, to 3 significant figures?

[1]
A

0.43

B

0.4329

C

0.433

D

2.31

Markscheme

8.1 Purity, formulations and chromatography Questions

  1. GCSE
  2. /Chemistry
  3. /8.1 Purity, formulations and chromatography

40 exam-style questions on AQA GCSE Chemistry 8.1 Purity, formulations and chromatography, covering 8.1.1 Pure substances, 8.1.2 Formulations, and 8.1.3 Chromatography. Each one has a worked solution and a mark scheme showing where the marks go.

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