Interpretation: The volume in milliliter required to make
Concept introduction: Molarity is calculated as the number of moles of solute in one liter of a solvent.
Answer to Problem 100A
The calculated volume to make
The boiling point of new solution is
Explanation of Solution
Given information: Solution containing
As molarity is the number of moles of solute in one liter of a solvent so by using this formula we calculated the molarity of the original solution and used this further to calculate the volume required to make
Molarity of original solution=
Now, diluting the solution, the volume required,
Now, the boiling point of the new solution,
Here, m is molality, i is Van’t Hoff factor and
For KBr, Van’t Hoff factor will be 2.
For water, the value of
The molality will be the same as molarity in this case because the volume of the solution is equal to the volume of water. Since the density of water is 1 g/mL, thus, the mass of water will be equal to that of volume.
Therefore,
Now, boiling point of new solution,
The calculated volume to make
The boiling point of the new solution is
Chapter 12 Solutions
Chemistry: Matter and Change
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