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2. Aqueous solution - Wikipedia

   en.wikipedia.org/wiki/Aqueous_solution

   An aqueous solution is a solution in which the solvent is water. It is mostly shown in chemical equations by appending (aq) to the relevant chemical formula . For example, a solution of table salt , also known as sodium chloride (NaCl), in water would be represented as Na + (aq) + Cl − (aq) .

3. Self-ionization of water - Wikipedia

   en.wikipedia.org/wiki/Self-ionization_of_water

   The self-ionization of water (also autoionization of water, autoprotolysis of water, autodissociation of water, or simply dissociation of water) is an ionization reaction in pure water or in an aqueous solution, in which a water molecule, H 2 O, deprotonates (loses the nucleus of one of its hydrogen atoms) to become a hydroxide ion, OH −.

4. Spectator ion - Wikipedia

   en.wikipedia.org/wiki/Spectator_ion

   A spectator ion is an ion that exists both as a reactant and a product in a chemical equation of an aqueous solution. [1] For example, in the reaction of aqueous solutions of sodium carbonate and copper(II) sulfate: 2 Na + + CO 2− 3 (aq) + Cu 2+ (aq) + SO 2− 4 (aq) → 2 Na + (aq) + SO 2− 4 (aq) + CuCO 3

5. Blue bottle experiment - Wikipedia

   en.wikipedia.org/wiki/Blue_bottle_experiment

   The aqueous solution in the classical reaction contains glucose, sodium hydroxide and methylene blue. [14] In the first step an acyloin of glucose is formed. The next step is a redox reaction of the acyloin with methylene blue in which the glucose is oxidized to diketone in alkaline solution [6] and methylene blue is reduced to colorless leucomethylene blue.

6. List of aqueous ions by element - Wikipedia

   en.wikipedia.org/wiki/List_of_aqueous_ions_by...

   This reaction occurs quantitatively with salts of the alkali-metals at low to moderate concentrations. [citation needed] With salts of divalent metal ions, the aqua-ion will be subject to a dissociation reaction, known as hydrolysis, a name derived from Greek words for water splitting. The first step in this process can be written as [citation ...

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8. Metal ions in aqueous solution - Wikipedia

   en.wikipedia.org/wiki/Metal_ions_in_aqueous_solution

   A metal ion in aqueous solution or aqua ion is a cation, dissolved in water, of chemical formula [M(H 2 O) n] z+. The solvation number , n , determined by a variety of experimental methods is 4 for Li + and Be 2+ and 6 for most elements in periods 3 and 4 of the periodic table .

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