68. Solving a chemistry problem
27. What cations will be in solution and in the precipitate and in the form of what compounds, if the mixture of cations of the first, second and third analytical groups is affected by heating H2O2 and an excess of alkali. Write the reaction equations for the interaction of hydrogen peroxide and an excess of alkali with ammonium, magnesium, aluminum, manganese (II) and chromium (III) cations.
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