Does molarity change with temperature?
Understand the Problem
The question is asking whether the molarity of a solution, which is a measure of concentration defined as the number of moles of solute per liter of solution, is affected by changes in temperature. Typically, the volume of a solution can change with temperature, which would, in turn, affect its molarity.
Answer
Molarity decreases with an increase in temperature.
The final answer is that molarity decreases with an increase in temperature.
Answer for screen readers
The final answer is that molarity decreases with an increase in temperature.
More Information
Molarity is the number of moles of solute per liter of solution. As temperature increases, the volume of the solution tends to expand, leading to a decrease in molarity since it's a ratio involving volume.
Tips
A common mistake is confusing molarity with molality. Molality (moles of solute per kilogram of solvent) is not affected by temperature changes.
Sources
- How does Temperature affect Molarity and Molality? - BYJU'S - byjus.com
- Effect of Temperature on Molarity of a Solution - Vedantu - vedantu.com
- Temperature dependence of molarity and molality - chemistry.stackexchange.com
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