Identification of ions by chemical and spectroscopic means (chemistry only)

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Question 19
Medium

Runoff from a water treatment facility processing alum-treated clay is suspected to contain dissolved aluminium sulfate.

a.

Describe a chemical test to show that the runoff sample contains aluminium ions.

Give the result of the test.

Test

Result

[3]
b.

Describe a chemical test to show that the runoff sample contains sulfate ions.

Give the result of the test.

Test

Result

[2]
c.

Plan an investigation to find the total mass of dissolved solids in a 200 cm3200\text{ cm}^3200 cm3 sample of this runoff.

Your investigation should produce valid results.

[4]

Identification of ions by chemical and spectroscopic means (chemistry only) Questions

  1. GCSE
  2. /Chemistry
  3. /Identification of ions by chemical and spectroscopic means (chemistry only)