Question

the solubility of salt at 20 degree celsius is 12. how much salt will 50 gram of its saturated solution contains at the temperature​

Answer 1

Answer:

It will be a super saturated solution at 20 degree celsius

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Answer 2

Answer: 5.357g of salt.

Explanation:

$Solubility\ of\ salt\ in\ saturated\ solution=weight\ of\ solute\ in\ saturated\ solution\times 100/weight\ of\ solvent\ in\ saturated\ solution$

Here, it is given that solubility is 12 at 20 degrees.

Let us assume the amount of salt present in its 50gm of saturated solution to be x.

Then,

$12=100x/(50-x)$

$600-12x=100x\\112x=600\\x=600/112=5.357g$

5.357g of salt is present in 50g of its saturated solution at the same temperature given.