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Amount of substance

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Question 11

A student preparing a standard calibration curve for colorimetry needs to dilute a concentrated stock solution of copper(II) sulfate. The student measures out 12.0 cm3 of 2.50 mol dm-3 CuSO4(aq)\text{CuSO}_4(\text{aq})CuSO4​(aq) and wishes to dilute it to a concentration of 0.0500 mol dm-3.

What volume of deionised water must the student add to the stock solution?

A

48.0 cm348.0\text{ cm}^348.0 cm3

B

588 cm3588\text{ cm}^3588 cm3

C

600 cm3600\text{ cm}^3600 cm3

D

612 cm3612\text{ cm}^3612 cm3

Markscheme

Amount of substance Questions

  1. A Level
  2. /Chemistry
  3. /Amount of substance

79 exam-style questions on AQA A Level Chemistry Amount of substance, covering Relative atomic mass and relative molecular mass, The mole and the Avogadro constant, The ideal gas equation, Empirical and molecular formula, and Balanced equations and associated calculations. Each one has a worked solution and a mark scheme showing where the marks go.

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