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3. A laboratory technician prepared two glucose solutions of different concentrations for a laboratory
practical exercise the following day. The technician was called away and when he returned he realised
he had not labelled the bottles.
Design a test that could help the technician determine which of the solutions prepared is the more
concentrated, if a 1 M solution of glucose from which the following dilution could be prepared:
0.75 M, 0.5 M, 0.25 M. DO NOT WRITE IN THIS AREA
(a) List the apparatus that would be required.
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[2 marks]
(b) List the reagents that would be needed.
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[2 marks]
(c) List the steps that should be taken to make a coloured standard.
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[3 marks]
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