Samples of $$\(\left[\mathrm{Cu}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}(\mathrm{aq})\)$$ are reacted separately with an excess of solution $$\(\mathbf{A}\)$$ and with an excess of solution $$\(\mathbf{B}\)$$. The reaction of $$\(\left[\mathrm{Cu}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}(\mathrm{aq})\)$$ with solution $$\(\mathbf{A}\)$$ is a precipitation reaction. The reaction of $$\(\left[\mathrm{Cu}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}(\mathrm{aq})\)$$ with solution $$\(\mathbf{B}\)$$ is a ligand substitution reaction. Suggest a possible identity for solution A and for solution B. Give relevant observations and the formula of the copper-containing product for each reaction. solution $$\(\mathbf{A}\)$$ .............................................................................................................................. .. observations ......................................................................................................................... formula of the copper-containing product ............................................................................. solution B .............................................................................................................................. .. observations ......................................................................................................................... formula of the copper-containing product .............................................................................

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