contestada

Calculate the molarity of a solution made by
dissolving0.145mol Na2SO4 in enough water to form exactly 750mL
ofsolution.

Respuesta :

Answer:

0.1933 M

Explanation:

Data provided in the question:

Number of Moles of Na₂SO₄ initially taken = 0.145 mol

Volume of solution, V = 750 mL = 0.750 L

Now, the molarity is given as:

Molarity = [tex]\frac{\textup{moles of solute}}{\textup{volume of solution in liter}}[/tex]

or

Molarity = [tex]\frac{0.145}{0.750}[/tex]

or

Molarity = 0.1933 M

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