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Atoms and reactions

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Question 44

A student is supplied with 150.0 cm3 of a solution of 0.300 mol dm-3 calcium chloride, CaCl2\text{CaCl}_2CaCl2​.

A student plans to dilute this solution so that the chloride concentration is 0.200 mol dm-3.

What volume of water, in cm3\text{cm}^3cm3, does the student need to add?

A

75.075.075.0

B

225.0225.0225.0

C

300.0300.0300.0

D

450.0450.0450.0

Markscheme

Atoms and reactions Questions

  1. A Level
  2. /Chemistry
  3. /Atoms and reactions

199 exam-style questions on OCR A A Level Chemistry Atoms and reactions, covering Atomic structure and isotopes, Compounds, formulae and equations, Amount of substance, Acids, and Redox. Each one has a worked solution and a mark scheme showing where the marks go.

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