How do you know if an acid is strong or weak? A strong acid completely ionizes i

Question

How do you know if an acid is strong or weak? A strong acid completely ionizes in solution, while a weak acid partially ionizes in solution. A strong acid completely ionizes in solution, while a weak acid partially ionizes in solution even though the pH wiII always be the same. A strong acid partially ionizes in solution, while a weak acid completely ionizes in solution. A strong acid completely reacts with a base, while a weak acid partially reacts with a base. How do you calculate the pH of a weak acid solution? For a weak acid, while a balanced reaction for the ionization of the base Prepare an ICE table; represent the change with z; sum the table and determine the equilibrium values; put the equilibrium values in the equilibrium expression and solve for x. Finally, determine [OH^-] and pH (-log [OH^-]/[H_2O^+]) For a weak acid, write a balanced reaction for the ionization of the acid. Prepare an ICE table; represent the change with z; sum the table and determine the equation values; put the equilibrium values in the equilibrium and solve for x. Finally, determine [H_2O^+] and pH(-log[H_2O^+]) For a weak acid, write a balanced reaction for the ionization of the acid. Prepare an ICE table; represent the change with z; sum the table and determine the equilibrium values; put the equilibrium values in the equilibrium expression and solve for x. Finally, determine [H_3O^+] and pH(-log[H_2O]) For a weak acid, write a balanced reaction for the ionization of the acid. Prepare an ICE table; represent the change with z; sum the table and determine the equilibrium values; put the equilibrium values in the equilibrium expression and solve for x. Finally, determine [H_3O^+] and pH(-log[OH^-]).

Explanation / Answer

Part-A

A.strong acid is completely ionisable in quoues solution weak acid is partialy ionisable in aquoues solution.

HCl is strong acid . it is completely ionisable in aquoues solution.

CH3COOH is weak acid aprtialy ionisable in aquoues solution.

Part-B

strong acid is completey ionisable in aquoues solution . In strong acid conc of H+ is equalto acid

                 HA -------> H+ + A-

               [H+] = [HA]

              PH   = -log[HA]

part-C

                   HA is weak acid

          HA    +H2O--------> H3O+ + A-

using ICE tabel we calculate the equilibrium conc of H3O+

   PH = -log[H3O+]

answer b.

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