Given the following solutions: (1) 0.025 M NaOH (2) 0. 025 M NH3, Kb (NH3)= 1.75 x 10-10 (3) 0.025 M NH4Cl i) Is the solution acidic, basic, and neutral? Write the equations involved when each of the solutes are dissolved in aqueous solutions to justify your answer. ii) Write the equilibrium expression if any, use appropriate symbol for the equilibrium constant. iii) Calculate the pH of each. Show your calculation. You may use shortcuts.
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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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Given the following solutions:
(1) 0.025 M NaOH
(2) 0. 025 M NH3, Kb (NH3)= 1.75 x 10-10
(3) 0.025 M NH4Cl
i) Is the solution acidic, basic, and neutral? Write the equations involved when each of the solutes are
dissolved in aqueous solutions to justify your answer.
ii) Write the equilibrium expression if any, use appropriate symbol for the equilibrium constant.
iii) Calculate the pH of each. Show your calculation. You may use shortcuts.
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