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Potassium carbonate is the inorganic compound with the formula K 2 C O 3.It is a white salt, which is soluble in water and forms a strongly alkaline solution. It is deliquescent, often appearing as a damp or wet solid.
CAS Number. 7631-99-4 3D model ... Sodium nitrate is the chemical compound with the formula Na N O 3. ... is attractive since it does not alter the pH of the soil.
Common name Chemical name (Formula) Potash fertilizer: Up to the early 20th century:potassium carbonate (K 2 CO 3). Beginning from the late 19th century: one or more of potassium chloride (KCl), potassium sulfate (K 2 SO 4) or potassium nitrate (KNO 3).
It can substitute for baking soda (sodium bicarbonate) for those with a low-sodium diet, [4] and it is an ingredient in low-sodium baking powders. [5] [6] 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 acetate (as a substitute for calcium chloride or magnesium chloride) can be used as a deicer to remove ice or prevent its formation. It offers the advantage of being less aggressive on soils and much less corrosive: [5] for this reason, it is preferred for airport runways although it is more expensive.
CAS No.: 7757-79-1 Molecular Weight: 101.1 ... pH: ca. 7 % Volatiles by ... Sodium nitrate; Sodium nitrite; Potassium nitrite; References
The following chart shows the solubility of various ionic compounds in water at 1 atm pressure and room temperature (approx. 25 °C, 298.15 K). "Soluble" means the ionic compound doesn't precipitate, while "slightly soluble" and "insoluble" mean that a solid will precipitate; "slightly soluble" compounds like calcium sulfate may require heat to precipitate.
HNO 2 ⇌ H + + NO − 2; pK a ≈ 3.3 at 18 °C [3] Nitrous acid is also highly unstable, tending to disproportionate: 3 HNO 2 (aq) ⇌ H 3 O + + NO − 3 + 2 NO. This reaction is slow at 0 °C. [2] Addition of acid to a solution of a nitrite in the presence of a reducing agent, such as iron(II), is a way to make nitric oxide (NO) in the ...
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