sadgirl928 sadgirl928

29-12-2019
Chemistry

contestada

What is the mass-percent of a KCl solution of 25 g of KCl is dissolved in 125 g of water.
17%

5 %

50%

25%

Respuesta :

joseaaronlara joseaaronlara

29-12-2019

Answer:

The answer to your question is 17 %

Explanation:

Data

Solute = 25 g

Solvent = 125 g

Formula

[tex]mass percent = \frac{mass of solute}{mass of solution} x 100[/tex]

Substitution

[tex]mass percent = \frac{25}{125 + 25} x 100[/tex]

Simplification and result

[tex]mass percent = \frac{25}{150} x 100[/tex]

mass percent = 17%

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