Question

If 0.575 moles of NaOH are dissolved in 450.0 mL solution, what is the molarity of this solution?​

Answer 1

To determine the molarity, we need to divide the amount of substance (in moles) by the volume of the solution (in liters).

First, let's convert the volume of the solution from milliliters (mL) to liters (L).

Volume of the solution = 450.0 mL = 450.0 mL/1000 mL/L = 0.450 L

Now, we can calculate the molarity (M) of the solution.

Molarity = Moles of solute / Volume of solution

Molarity = 0.575 moles / 0.450 L

Molarity ≈ 1.28 M

Therefore, the molarity of the solution is approximately 1.28 M.