A 25.0-mL 0.100 M HCl solution was mixed with a 15.0-mL 0.250 M NaOH solution. A 10.0-mL aliquot of the mixture was then transferred to a volumetric flask and diluted to 100.0 mL. What is the pH of the final solution at 25 °C? Assume that the volume of the HCl and NaOH solutions are additive. Select one: a. 12.1 b. 1.90 c. 12.5 d. 11.5
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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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A 25.0-mL 0.100 M HCl solution was mixed with a 15.0-mL 0.250 M NaOH solution. A 10.0-mL aliquot of the mixture was then transferred to a volumetric flask and diluted to 100.0 mL. What is the pH of the final solution at 25 °C? Assume that the volume of the HCl and NaOH solutions are additive.
12.1
1.90
12.5
11.5
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