
Concept explainers
Interpretation:
The use of molarity to calculate the moles of solute must be explained.
Concept introduction:
Molarity of a solution is the number of moles of solute dissolved in 1 L solution.

Answer to Problem 1TAI
Moles of solute can be found from the molarity of the solution and the volume of the solution.
Explanation of Solution
Let’s consider a 2 M urea solution. Moles of urea must be found in 500 mL of the solution.
Molarity of urea solution is 2 means 1 L solution contains 2 moles of urea.
So, 500 mL or 0.5 L solution contains
Thus, from molarity and volume of the solution, moles of solute can be found out.
Molarity and volume of solution can be used to find out the moles of solute.
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