contestada

Read the statement.

If 1000 mL of a solution contains 210.0 grams of sodium chloride, what is the percentage solution (m/v) of this solution?

79%
21%
790%
210%

Respuesta :

Answer:

21%

Explanation:

We have a mass of 210.0 g of NaCl and a volume of 1000 mL.  To find the percentage solution (m/V), we would divide [tex]\frac{210g}{1000ml}=21%[/tex]% percentage solution.