
Interpretation:
The portion of 1.0 L of 0.50 M blue dye solution having the same number of moles as 1.0 L of 0.25 M blue dye solution needs to be determined.
Concept introduction:
Moles of solute can be found from the following formula.
Here, M is molarity and V is volume of the solution in L.

Answer to Problem 4E
Half portion of1.0 L of 0.50 M blue dye solution has the same number of moles as 1.0 L of 0.25 M blue dye solution.
Explanation of Solution
Moles present in 1.0 L of 0.50 M blue dye solution=
Moles present in 1.0 L of 0.25 M blue dye solution
Half of 0.5 is 0.25.
Thus, moles of 1st solution is double to the moles of 2nd solution.
Thus, half portion of1.0 L of 0.50 M blue dye solution has the same number of moles as 1.0 L of 0.25 M blue dye solution.
Chapter U4 Solutions
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