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Potassium Acetate Formula – Structure, Properties, Uses, Sample Questions

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Potassium, the most abundant intracellular cation, is found naturally in many foods and is an essential nutrient available as a dietary supplement. Potassium is present in all body tissues and is essential for normal cellular function due to its role in maintaining the amount of intracellular fluid  and transmembrane electrochemical gradients. Potassium is closely related to sodium, a major regulator of extracellular fluid volume, including plasma volume.

The acetate is a salt formed by a combination of acetic acid (e.g., alkaline, earth, metal, non-metallic or radical criterion). Acetate is also generally generically generated in aqueous solutions and explains a conjugate basis or ion (especially acoustic used ions) written using C2H3O-2 formulas. The neutral molecules formed from the combination of acetate ions and positive ions (called cations) are also referred to as acetate. The simplest ones are acetic acid hydrogen (acetate) with suitable salts, composite layers, and polyatomic anion CH3CO-2 or CH3COO. Most of the acetic acids of about 5 billion indications produced annually in the industry are used for the production of acetates that usually takes the form of polymers. In nature, acetate is the most common building material for biosynthesis.

Potassium Acetate 

CH3CO2K is the potassium salt of acetic acid, chemically called potassium acetate. It is also called the diuretic salt, potassium ethanoate, or the potassium salt of acetic acid. It is an important macromineral and potassium salt composed of equal amounts of acetate and potassium ions.

Diuretics is a white crystalline powder that is deliquescent. It is soluble in water and has a pH value of 7.59.0. It is widely used in electrolyte replenishment as a diuretic and systemic alkalizer. Used as an expectorant and diuretic. Potassium helps maintain intracellular tone essential for nerve conduction, smooth muscle contraction, normal kidney function, and maintaining blood pressure.

Potassium Acetate Formula 

This article discusses the potassium acetate formula, also known as the potassium salt formula or diuretic salt formula. It is an important macromineral and is in the form of the acetate salt of potassium. It is made up of equal amounts of acetate and potassium ions. The chemical formula of potassium acetate: C2H3KO2. Potassium acetate occurs  as a white crystalline powder or colorless dissolved crystals. It has a slight vinegar smell. It is widely used as a deicing agent to remove ice and prevent formation.

Structure of Potassium Acetate 

Potassium acetate is formed by one acetate anion CH3COO- and one potassium cation K+. Both ions are all connected by an ionic bond. However, since the elements of the acetate anion are covalently linked, both oxygens are resonantly stabilized. Its structure is,

 

Preparation of Potassium Acetate 

Potassium acetate is produced by a reaction known as acid-base neutralization. In the manufacture of potassium acetate, a potassium-containing base such as potassium carbonate (K2Co3) or potassium hydroxide (KOH) is treated with acetic acid. In a neutralization reaction, a base reacts with an acid to form salt and water. Potassium acetate (potassium ethanoate) is a salt formed by the reaction of potassium hydroxide with acetic acid with water, which is neutralized together.

Potassium acetate formation reaction,

CH3COOH + KOH → CH3COOK + H2O

Potassium acetate can also be produced by adding a small amount of water along with potassium carbonate to a solution of acetic acid followed by crystallization and evaporation. The following reaction was formed.

K2CO3 + 2CH3COOH → 2CH3COOK + H2O + CO2

In water, they form sesquihydrate at about 41.3°C and then eventually hemihydrates.

Physical Properties of Potassium Acetate 

The compound is colorless, odorless as a dry powder, and exists as deliquescent crystals or white crystalline powder. Potassium acetate has a faint smell of vinegar.

  • The solubility of potassium acetate in water at 20°C is 100 g/ml.
  • Potassium acetate formula: CH3CO2K, molar mass 98.142 g/mol.
  • Potassium acetate has a density of 1.8 g/cm3.
  • Potassium Acetate has a higher boiling point and decomposes at higher temperatures.
  • The pH value of diuretic salt is between 7.5 and 9.0.
  • The number of hydrogen bond donors is zero, the number of hydrogen bond acceptors is two, and the number of rotation bonds is zero. Potassium acetate has a topologically polar surface area of ​​40.1 Armstrongs.

Chemical Properties of Potassium Acetate 

  • Potassium acetate is a deliquescent white crystalline solid, insoluble in organic solvents such as ether, but soluble in alcohol, ammonia and water.
  • Pure Potassium Acetate has a slightly salty, vinegar odor or almost odorless odor.
  • Used as a dehydration and analyte in the production of crystal glass and pharmaceuticals.
  • Potassium acetate is a canonical compound. Potassium acetate has 5 heavy atoms and 0 formal charges.
  • The potassium in salt helps maintain blood pressure, so it lowers blood pressure by excreting salt from the body. It also helps maintain intracellular toxicity essential for smooth muscle contraction and normal kidney function.

Uses of Potassium Acetate 

  • It is used in Deicing.
  • It is used in Fire extinguishing.
  • It is used in industry.
  • It is used in Food additives.
  • It is used in medicine and biochemistry.
  • It is used in executions.

Sample Questions 

Question 1: Why is potassium acetate used for DNA isolation?

Answer:  

DNA is a negatively charged molecule and is highly soluble in water. Washing from cellular debris formed during bacterial lysis requires sedimentation and centrifugation to compress all into one dense precipitate at the bottom of the tube.

Question 2: How Much Acetic Acid is in Potassium Acetate?

Answer: 

DBL Potassium Acetate Injection Concentrate contains 490.0 mg of Potassium Acetate per ml of Water for Injection. Dosage is 2.45g/5ml in glass ampoules. 1 ml of injection contains 200 mg of potassium.

Question 3: How corrosive is potassium acetate?

Answer: 

Potassium Acetate (KAc) is an attractive alternative to chloride because of its lower effective temperature, less metal corrosiveness than salt, and less impact.

Question 4: Is it flammable acetate potassium?

Answer: 

Materials to avoid jet with strong acids and oxidative materials. It is corroded with a slight metal. Fire conditions or higher decomposition temperatures, carbon monoxide, carbon dioxide, carbon dioxide, potassium carbonate and potassium oxide, and potassium oxide. Potassium acetate can be burned when heated before decomposing.

Question 5: How many atoms are there in potassium acetate?

Answer: 

Melting point 292° Celsius. The compound or molecular composition of potassium acetate is made up of two carbons, three hydrogens, two oxygens and one potassium. That is, CH3COOK. The role of potassium acetate is as a food acidity regulator.

Question 6: Is potassium acetate buffer? 

Answer: 

The buffer range of  potassium acetate solution is 3.8 to 5.8. Used to purify and precipitate nucleic acids. Buffers can also be used to precipitate dodecyl sulfate (DS) and DS-related proteins to remove proteins from DNA.

Question 7: Is Potassium Acetate Safe for the Environment?

Answer: 

Potassium acetate and potassium formate are both organic compounds. Oxygen is consumed in the process of decomposition and absorption into the environment. This is potentially dangerous for living organisms because it depletes the amount of oxygen available to them.


Last Updated : 26 Apr, 2022
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