An Experiment Report: Malachite (619 words, 3 pages)
MethodWeigh the sample of malachite.Mix the sample with sulphuric acid.Filter the solution.Wash the sand left after filtering.Add small amounts of zinc to the solution left after filtering and stir with a glass rod.Filter the solution.Wash the copper left after filtering.Weigh the copper.ResultsGroupMalachite (g)Copper (g)Sand (g)Percentage Copper ( to 3 s.f.)110.021.785.2117.8210.004.155.6041.534.271.952.2745.7410.942.345.6621.453.490.691.4719.8610.003.905.6039.079.002.415.2126.8813.443.665.2927.293.721.402.0437.6Average ...
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