How many grams of solute are present in "2500 g" of a sodium hypochlorite solution that is "5.24% m/m" ?

1 Answer
Stefan V.
Jun 17, 2017

"130 g"

Explanation:

The solution's percent concentration by mass, "m/m%", tells you the number of grams of sodium hypochlorite, your solute, present in "100 g" of solution.

In your case, you know that you have

color(blue)(5.24color(red)(%))"m/m NaClO " -> " "color(blue)("5.24 g")color(white)(.)"NaClO for every"color(white)(.)color(red)("100 g of solution")

This means that "2500 g" of solution will contain

2500 color(red)(cancel(color(black)("g solution"))) * "5.24 g NaClO"/(100color(red)(cancel(color(black)("g solution")))) = color(darkgreen)(ul(color(black)("130 g NaClO")))

The answer must be rounded to two sig figs, the number of sig figs you have for the mass of the solution.

Related questions
See all questions in Percent Concentration
Impact of this question
5102 views around the world
You can reuse this answer
Creative Commons License