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Sagot :
Molar concentration is the ratio of the moles and the volume. The volume of the solution that is needed is
What is Molarity?
Molarity or the molar concentration is the proportion of the moles of the solute to the volume of the solution in liters.
Given,
The molar concentration of the solution = 0.450 mol/L
Moles of sodium nitrite = 0.300 moles
Volume is calculated as:
[tex]\begin{aligned} \rm volume &= \rm \dfrac{moles}{molarity}\\\\&= \dfrac{0.300}{0.450}\\\\&= 0.666 \;\rm L\end{aligned}[/tex]
Therefore, 666 mL of volume is needed.
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