Question

Jane dissolves 2.5 grams of cleanser in 1250 mL of water to clean a water jug. Determine the concentration of the resulting solution in ppm. *

Answer 1

Answer:

ppm=2000

Explanation:

ppm=mass of solute/mass of solvent

mass of solute = 2.5 g

volume of solvent = 1250mL

1000mL = 1000g

1250mL = x g

x = (1000 x 1250)/ 1000

x = 1250 g

mass of solvent = 1250 g

ppm = 2.5x 10⁶ / 1250

        = 2000

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