A solution is made by dissolving 14.0 g of potassium chloride to a final volume of 78.9 mL solution. what is the weight/weight % or the percent by mass of the solute?

(use 1.00 g/mL for the density of water)

Question

Chemistry

Greyson Patton

22 May, 21:28

A solution is made by dissolving 14.0 g of potassium chloride to a final volume of 78.9 mL solution. what is the weight/weight % or the percent by mass of the solute?

(use 1.00 g/mL for the density of water)

+4

Answers (2)

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Tamara Hughes · Answer 1

Mass of solute that is KCl given as=14.0 g

Mass of the solution=Volume / times density

Mass of the solution=78 mL/times 1g cm^{-3}

Mass of the solution=78 g

weight/weight % of the solute=/frac{Mass of the solute}{Mass of the solution}/times 100

weight/weight % of the solute that is KCl=/frac{14}{78}/times 100

weight/weight % of the solute that is KCl=17.9

So the weight/weight % of the solute that is KCl found to be 17.9.

Darcy · Answer 2

The answer is 17.7%. 14.0/78.9*100=17.7%

A solution is made by dissolving 14.0 g of potassium chloride to a final volume of 78.9 mL solution. what is the weight/weight % or the percent by mass of the solute?(use 1.00 g/mL for the density of water)

A solution is made by dissolving 14.0 g of potassium chloride to a final volume of 78.9 mL solution. what is the weight/weight % or the percent by mass of the solute?

(use 1.00 g/mL for the density of water)