You have been given 0.200 Molar solutions of hydrocyanic acid and potassium cyanide. The Ka of HCN = 4.9x10-10. If you wanted to make a buffer with a pH = 9.00, would you add a greater volume of the HCN solution or the KCN solution? More HCN equal amounts of each more KCN
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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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You have been given 0.200 Molar solutions of hydrocyanic acid and potassium cyanide. The Ka of HCN = 4.9x10-10. If you wanted to make a buffer with a pH = 9.00, would you add a greater volume of the HCN solution or the KCN solution?
More HCN
equal amounts of
each more KCN
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