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  2. Potassium carbonate - Wikipedia

    en.wikipedia.org/wiki/Potassium_carbonate

    2 KOH + CO 2 → K 2 CO 3 + H 2 O. From the solution crystallizes the sesquihydrate K 2 CO 3 ·1.5H 2 O ("potash hydrate"). Heating this solid above 200 °C (392 °F) gives the anhydrous salt. In an alternative method, potassium chloride is treated with carbon dioxide in the presence of an organic amine to give potassium bicarbonate, which is ...

  3. Potassium bicarbonate - Wikipedia

    en.wikipedia.org/wiki/Potassium_bicarbonate

    As an inexpensive, nontoxic base, it is widely used in diverse application to regulate pH or as a reagent. Examples include as buffering agent in medications, an additive in winemaking . Potassium bicarbonate is often added to bottled water to improve taste, [ 7 ] and is also used in club soda .

  4. Potassium hydroxide - Wikipedia

    en.wikipedia.org/wiki/Potassium_hydroxide

    Because aggressive bases like KOH damage the cuticle of the hair shaft, potassium hydroxide is used to chemically assist the removal of hair from animal hides. The hides are soaked for several hours in a solution of KOH and water to prepare them for the unhairing stage of the tanning process. This same effect is also used to weaken human hair ...

  5. Hydrochloric acid - Wikipedia

    en.wikipedia.org/wiki/Hydrochloric_acid

    They range from those of water at very low concentrations approaching 0% HCl to values for fuming hydrochloric acid at over 40% HCl. [ 31 ] [ 32 ] [ 33 ] Hydrochloric acid as the binary (two-component) mixture of HCl and H 2 O has a constant-boiling azeotrope at 20.2% HCl and 108.6 °C (381.8 K; 227.5 °F).

  6. Solvay process - Wikipedia

    en.wikipedia.org/wiki/Solvay_process

    The Solvay process or ammonia–soda process is the major industrial process for the production of sodium carbonate (soda ash, Na 2 CO 3).The ammonia–soda process was developed into its modern form by the Belgian chemist Ernest Solvay during the 1860s. [1]

  7. Alkalinity - Wikipedia

    en.wikipedia.org/wiki/Alkalinity

    When carbonate minerals, water, and the atmosphere are all in equilibrium, the reversible reaction CaCO 3 + 2 H + ⇌ Ca 2+ + CO 2 + H 2 O. shows that pH will be related to calcium ion concentration, with lower pH going with higher calcium ion concentration.

  8. Neutralization (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Neutralization_(chemistry)

    For example, hydrochloric acid, HCl, is a strong acid. HCl(aq) → H + (aq) + Cl − (aq) A strong base is one that is fully dissociated in aqueous solution. For example, sodium hydroxide, NaOH, is a strong base. NaOH(aq) → Na + (aq) + OH − (aq) Therefore, when a strong acid reacts with a strong base the neutralization reaction can be ...

  9. Potassium chloride - Wikipedia

    en.wikipedia.org/wiki/KCl

    Potassium chloride is inexpensively available and is rarely prepared intentionally in the laboratory. It can be generated by treating potassium hydroxide (or other potassium bases) with hydrochloric acid: + + This conversion is an acid-base neutralization reaction. The resulting salt can then be purified by recrystallization.

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