Molarity is the molar concentration of the moles in a solution. The volume of water required for preparing 1.50 M NaCl solution is 1.7 L.
Volume is the number of moles of solute present in a molar concentration of a solution.
Molar concentration is given as,
[tex]\rm Molarity (M) = \dfrac{\text{moles of solute}}{\text{litres of solution}}[/tex]
Given,
Molarity of sodium chloride = 1.50 M
Number of moles of sodium chloride = 2.55 mol
Substituting values in the above equation the volume is calculated as:
[tex]\begin{aligned}\rm Volume &=\rm \dfrac{moles}{molarity}\\\\&= \dfrac{2.55}{1.50}\\\\&= 1.7 \;\rm L\end{aligned}[/tex]
Therefore, 1.7 L of water is required.
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