81. Solving a chemistry problem
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81. Solving a chemistry problem
87. Suggest a scheme for analyzing a mixture of cations according to acid-base classification.
Mixtures do not contain sediment, but may be colored.
Give reaction equations (characteristic and pharmacopoeial) for the detection of the underlined ion, indicating the analytical effect and properties of the resulting products.
87. Na Pb2 Ca2 Sn2 Mg2 Ni2
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