Which acid-base chemical reaction is irreversible?
weak acid added to water
water on its own
weak base added to water
strong acid added to water
5 answers
strong acid added to water
Hydrochloric acid is a strong acid. Acetic acid is a weak acid. Which statement about hydrochloric acid and acetic acid is correct?
A solution of hydrochloric acid at equilibrium will have a greater concentration of solute than a solution of acetic acid at equilibrium.
If the initial concentration of each acid is the same, then acetic acid will produce more H3O+ ions than hydrochloric acid.
The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.
The pH of a solution of hydrochloric acid must be less than the pH of a solution of acetic acid.
A solution of hydrochloric acid at equilibrium will have a greater concentration of solute than a solution of acetic acid at equilibrium.
If the initial concentration of each acid is the same, then acetic acid will produce more H3O+ ions than hydrochloric acid.
The dissociation constant for hydrochloric acid is greater than the dissociation constant for acetic acid.
The pH of a solution of hydrochloric acid must be less than the pH of a solution of acetic acid.
The first statement is correct:
A solution of hydrochloric acid at equilibrium will have a greater concentration of solute than a solution of acetic acid at equilibrium.
This is because hydrochloric acid is a strong acid, meaning it dissociates almost completely in water, while acetic acid is a weak acid and only partially dissociates. Therefore, the hydrochloric acid solution will have a higher concentration of solute (H+ ions) compared to the acetic acid solution.
A solution of hydrochloric acid at equilibrium will have a greater concentration of solute than a solution of acetic acid at equilibrium.
This is because hydrochloric acid is a strong acid, meaning it dissociates almost completely in water, while acetic acid is a weak acid and only partially dissociates. Therefore, the hydrochloric acid solution will have a higher concentration of solute (H+ ions) compared to the acetic acid solution.
Which change would decrease the pH of a base in a solution at equilibrium?
decreasing the concentration of OH– ions
decreasing the amount of water added to the solute
increasing the initial concentration of solute
increasing the strength of the base
decreasing the concentration of OH– ions
decreasing the amount of water added to the solute
increasing the initial concentration of solute
increasing the strength of the base
Increasing the strength of the base would decrease the pH of a base in a solution at equilibrium.