In an experiment, dry hydrogen chloride gas was passed through heated zinc turnings as shown in the diagram below. The gas produced was then passed through heated lead (II) oxide.

In an experiment, dry hydrogen chloride gas was passed through heated zinc turnings as shown in the diagram below. The gas produced was then passed through heated lead (II) oxide.

i) What is the function of water in the flask?
ii) How would the total mass of tube V and its contents compare before and after the experiment? Explain.

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i) To remove the unreacted HCL gas

ii) Mass will be lower at the end of the experiment because the combined oxygen is PbO is removed

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johnmulu answered the question on April 20, 2017 at 13:43

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