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5.1 Monitoring chemical reactions

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Question 14
H

Solution X is made by dissolving 5.0 g of a solid in water to make 100 cm3\mathrm{cm^{3}}cm3 of solution.

Which solution has the same concentration as solution X?

[1]
A

10.0 g of the solid in 200 cm3\mathrm{cm^{3}}cm3 of solution

B

2.5 g of the solid in 200 cm3\mathrm{cm^{3}}cm3 of solution

C

10.0 g of the solid in 50 cm3\mathrm{cm^{3}}cm3 of solution

D

5.0 g of the solid in 50 cm3\mathrm{cm^{3}}cm3 of solution

Markscheme

5.1 Monitoring chemical reactions Questions

  1. GCSE
  2. /Chemistry
  3. /5.1 Monitoring chemical reactions

57 exam-style questions on OCR GCSE Chemistry 5.1 Monitoring chemical reactions, covering 5.1.1 The technique of titration, 5.1.2 Theoretical mass, percentage yield and atom economy, 5.1.3 Concentration of a solution in mol/dm3, 5.1.4 Concentration calculations and titration results, 5.1.5 Molar gas volume and volumes of gases in reactions, and 5.1.6 Choosing a reaction pathway. Each one has a worked solution and a mark scheme showing where the marks go.

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