Answer: 0.3 liters
Explanation:
Molarity of a solution is defined as the number of moles of solute dissolved per Liter of the solution.
According to the neutralization law,
[tex]M_1V_1=M_2V_2[/tex]
where,
[tex]M_1[/tex] = molarity of stock solution = 2.5 M
[tex]V_1[/tex] = volume of stock solution = ?
[tex]M_2[/tex] = molarity of diluted solution = 0.75 M
[tex]V_2[/tex] = volume of diluted solution = 1 L
[tex]2.5M\times V_1=0.75M\times 1L[/tex]
[tex]V_1=0.3L=300ml[/tex]
Therefore, the 0.3 L of NaOH solution is required to make 1 liter of a 0.75 M NaOH.
