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Can anyone please help explain this:
An aqueous solution of potassium chloride is heated from 20C to 60C (no vaporization occurred). Which of the following occurs while the solution is being heated?
Answer is: The molality of the solution stays constant
The explanation was that the volume for the solution increased due to thermal expansion.
I just don't get it. From what part of the question did the answer even indicate any change in volume??? It's a solution, not a gas. So why would there be a change in volume?
An aqueous solution of potassium chloride is heated from 20C to 60C (no vaporization occurred). Which of the following occurs while the solution is being heated?
Answer is: The molality of the solution stays constant
The explanation was that the volume for the solution increased due to thermal expansion.
I just don't get it. From what part of the question did the answer even indicate any change in volume??? It's a solution, not a gas. So why would there be a change in volume?