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A student is given a mixture C, which is a mixture of ammonium carbonate ((NH4)2CO3) and copper(II) sulfate (CuSO4). The student needs to perform a series of tests to identify the components of the mi

Chemistry

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Here are the observations, identification of any evolved gases, and conclusions for each test, assuming C is a mixture of ammonium carbonate ( (NH4)2CO3\text{ (NH}_4)_2\text{CO}_3) and copper(II) sulfate (CuSO4\text{CuSO}_4).

  1. Part (a) - Dissolving C and testing with litmus.

    • Observation: The mixture dissolves in distilled water to form a blue solution. Red litmus paper turns blue.
    • Gas(es) evolved: None.
    • Conclusion: The solution is alkaline.
  2. Part (b)(i) - Adding NaOH(aq)\text{NaOH}_{\text{(aq)}} in drops, then in excess.

    • Observation: A blue
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