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3.4 Using concentrations of solutions in mol/dm3

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Question 36

A technician has 200 cm3 of 0.400 mol/dm3 sodium nitrate solution. The technician uses some of it to prepare 300 cm3 of 0.0800 mol/dm3 sodium nitrate solution, with no sodium nitrate lost.

What volume of the original stock solution remains?

[1]
A

140 cm3140\ \text{cm}^3140 cm3

B

240 cm3240\ \text{cm}^3240 cm3

C

200 cm3200\ \text{cm}^3200 cm3

D

60 cm360\ \text{cm}^360 cm3

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3.4 Using concentrations of solutions in mol/dm3 Questions

  1. GCSE
  2. /Chemistry
  3. /3.4 Using concentrations of solutions in mol/dm3

106 exam-style questions on AQA GCSE Chemistry 3.4 Using concentrations of solutions in mol/dm3, covering 3.4.1 Concentration in mol/dm3. Each one has a worked solution and a mark scheme showing where the marks go.

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