Exercise 1: Acid-base reaction In two different beakers, hydrochloric acid HCI / strong acid (H"; CI') is reacted with potassium hydroxide KOH / strong base (K'; OH). 1- Write the balance net ionic equation of the reaction taking place. 2- The table below represents the initial chemical composition of the beaker A Initial Chemical Composition 30 ml of the HCI solution of Ca = 10-2 mol /L Beakers A %3! with 50 ml of the KOH solution of concentration Cb 10-2 mol /L 2.1- Determine whether the initial mixture of reactants in beaker A is stoichiometric or not. 2.2- Specify the pH of the resulting solution in beaker A.

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Exercise 1: Acid-base reaction
In two different beakers, hydrochloric acid HCI / strong acid (H"; CI') is reacted with potassium
hydroxide KOH / strong base (K; OH').
1- Write the balance net ionic equation of the reaction taking place.
2- The table below represents the initial chemical composition of the beaker A
Beakers
Initial Chemical Composition
30 ml of the HCI solution of Ca = 10-2 mol /L
with 50 ml of the KOH solution of
concentration Cb = 10-2 mol /L
A
2.1-
Determine whether the initial mixture of reactants in beaker A is stoichiometric or not.
2.2-
Specify the pH of the resulting solution in beaker A.
Calculate n (OH') remaining at the end of the reaction of beaker A. Deduce [OH-]
remaining at the end of the reaction.
Calculate the pH of the solution at the end of the reaction in beaker A.
2.3-
2.4-
Given: Kw = 1014
Transcribed Image Text:Exercise 1: Acid-base reaction In two different beakers, hydrochloric acid HCI / strong acid (H"; CI') is reacted with potassium hydroxide KOH / strong base (K; OH'). 1- Write the balance net ionic equation of the reaction taking place. 2- The table below represents the initial chemical composition of the beaker A Beakers Initial Chemical Composition 30 ml of the HCI solution of Ca = 10-2 mol /L with 50 ml of the KOH solution of concentration Cb = 10-2 mol /L A 2.1- Determine whether the initial mixture of reactants in beaker A is stoichiometric or not. 2.2- Specify the pH of the resulting solution in beaker A. Calculate n (OH') remaining at the end of the reaction of beaker A. Deduce [OH-] remaining at the end of the reaction. Calculate the pH of the solution at the end of the reaction in beaker A. 2.3- 2.4- Given: Kw = 1014
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