Question

Determine the molarity of a solution that contains 30 moles naoh in 0.80 liters of solution?

Answer 1

Taking into account the definition of molarity,  the molarity of a solution that contains 30 moles naoh in 0.80 liters of solution is 37.5 $\frac{moles}{liters}$.

Definition of molarity

Molar concentration or molarity is a measure of the concentration of a solute in a solution and indicates the number of moles of solute that are dissolved in a given volume.

The molarity of a solution is calculated by dividing the moles of solute by the volume of the solution:

$Molarity=\frac{number of moles}{volume}$

Molarity is expressed in units $\frac{moles}{liters}$.

This case

In this case, you have:

• number of moles= 30 moles
• volume= 0.80 L

Replacing in the definition of molarity:

$Molarity=\frac{30 moles }{0.80 L}$

Solving:

Molarity= 37.5 $\frac{moles}{liters}$

Finally, the molarity of a solution that contains 30 moles naoh in 0.80 liters of solution is 37.5 $\frac{moles}{liters}$.

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