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kirill115 [55]
3 years ago
5

A substance has a solubility of 350 ppm.how many grams of the substance are present in 1.0l of a saturated solution

Chemistry
2 answers:
Kazeer [188]3 years ago
8 0

Answer:

0.350 grams of the substance are present in 1.0l of a saturated solution

Explanation:

Parts per million (ppm), is a unit of measurement for concentration. Refers to the number of units of the substance per million units of the set.

So ppm means parts per million, that is, the mg (milligrams) in a kg of solution.

Considering that the density of a substance is 1000 kg / m3 (and 1 m3 is 1000 L), 1 kg of solution has a volume of approximately 1 liter, ppm also represents the mg of a substance in a liter of solution. That is, 1 ppm = 1 mg / L.

So in 1 L there are 350 mg of substance present. Being 1 g = 1000 mg, then 350 mg is 0.350 g.

<u><em>0.350 grams of the substance are present in 1.0l of a saturated solution</em></u>

sergeinik [125]3 years ago
6 0
Since the given solubility is 350 ppm, convert it first with fraction of solubility. by dividing the solubility with 10^6
S = 350 / 10^6
s = 3.5 x 10^-4
the multiply it to the total solution to calculate the amount of substance present
m = ( 3.5 x 10^-4 ) ( 1.01 )
m = 3.535 x 10^-4 g of the substance present
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