Question
Ammonia is a weak base. Potassium hydroxide is a strong base. Which statement is correct?(1 point)
Responses
A solution of potassium hydroxide will always have a lower pH than a solution of ammonia.
A solution of potassium hydroxide will always have a lower pH than a solution of ammonia.
A solution of potassium hydroxide will always have lesser conductivity than a solution of ammonia.
A solution of potassium hydroxide will always have lesser conductivity than a solution of ammonia.
A solution of potassium hydroxide will always have a lesser concentration of solute than a solution of ammonia.
A solution of potassium hydroxide will always have a lesser concentration of solute than a solution of ammonia.
A solution of potassium hydroxide will always have more OH– ions than a solution of ammonia.
Responses
A solution of potassium hydroxide will always have a lower pH than a solution of ammonia.
A solution of potassium hydroxide will always have a lower pH than a solution of ammonia.
A solution of potassium hydroxide will always have lesser conductivity than a solution of ammonia.
A solution of potassium hydroxide will always have lesser conductivity than a solution of ammonia.
A solution of potassium hydroxide will always have a lesser concentration of solute than a solution of ammonia.
A solution of potassium hydroxide will always have a lesser concentration of solute than a solution of ammonia.
A solution of potassium hydroxide will always have more OH– ions than a solution of ammonia.
Answers
GPT-4o mini
The correct statement is:
**A solution of potassium hydroxide will always have more OH– ions than a solution of ammonia.**
Here's the reasoning:
1. **Potassium hydroxide (KOH)** is a strong base, which means it completely dissociates in solution to release hydroxide ions (OH⁻). This results in a high concentration of OH⁻ ions.
2. **Ammonia (NH₃)** is a weak base, which only partially dissociates in solution. As a result, the concentration of OH⁻ ions produced by ammonia is significantly lower in comparison to that produced by potassium hydroxide.
Thus, a solution of potassium hydroxide indeed has a higher concentration of hydroxide ions and will typically result in a higher pH than a solution of ammonia. The other statements are incorrect for the reasons mentioned.
**A solution of potassium hydroxide will always have more OH– ions than a solution of ammonia.**
Here's the reasoning:
1. **Potassium hydroxide (KOH)** is a strong base, which means it completely dissociates in solution to release hydroxide ions (OH⁻). This results in a high concentration of OH⁻ ions.
2. **Ammonia (NH₃)** is a weak base, which only partially dissociates in solution. As a result, the concentration of OH⁻ ions produced by ammonia is significantly lower in comparison to that produced by potassium hydroxide.
Thus, a solution of potassium hydroxide indeed has a higher concentration of hydroxide ions and will typically result in a higher pH than a solution of ammonia. The other statements are incorrect for the reasons mentioned.