Question

2.5g of solute is dissolved in 25g of water to form the saturated solution at 298 k. Find the solubility of the solute at this temperature.

Answer 1

Mass of solute /mass of solvent *100=solubility
2.5/25*100=10g
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Answer 2

Answer: The solubility of solute is at the given temperature is 10 g/100 g

Explanation:

Solubility is defined as the amount of solute that can be dissolved in 100 grams of solvent.

We are given:

Amount of solute dissolved in 25 grams of water = 2.5 g

To calculate the mass of solute that can be dissolved in 100 g of water, we use unitary method:

In 25 grams of water, amount of solute dissolved is 2.5 grams

So, in 100 grams of water, amount of solute dissolved will be = $\frac{2.5g}{25g}\times 100=10g$

Hence, the solubility of solute at the given temperature is 10 g/100 g