Nitric acid (HNO3) is a strong acid that completely ionizes when dissolved in water (pKa = -1.30). Calculate the pH of 10 mg/L HNO3. a. Unlike nitric acid, butyric acid (CH3CH2CH2COOH) is a weak acid (pKa = 4.8). Calculate the pH of a solution when 90% of the CH3CH2CH2COOH is dissociated. b. Briefly explain how you can use the pKa values of these two molecules to determine that nitric acid is a strong acid, while butyric acid is a weak acid.
Ionic Equilibrium
Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.
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Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.
Bronsted Lowry Base In Inorganic Chemistry
Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.
- Nitric acid (HNO3) is a strong acid that completely ionizes when dissolved in water (pKa = -1.30). Calculate the pH of 10 mg/L HNO3.
a. Unlike nitric acid, butyric acid (CH3CH2CH2COOH) is a weak acid (pKa = 4.8). Calculate the pH of a solution when 90% of the CH3CH2CH2COOH is dissociated.
b. Briefly explain how you can use the pKa values of these two molecules to determine that nitric acid is a strong acid, while butyric acid is a weak acid.
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