Respuesta :
To increase the solubility of a solute you need to rise the kinetic energy of the solute particles and you do that by increasing the temperature.
Explanation:
In our case at room temperature the solubility of the solute is as high as the solution is 70% concentrated. To reach the concentration of 75% we need to increase the solubility of the solute. To increase the solubility of a particular substance we need to increase the temperature of the solution until we reach a 75% concentration. You have to maintain the temperature, at that particular value, because otherwise temperature will decrease and the solute will settle out again so the concentration will decrease.
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Answer:
Heat the solution, dissolve the solute, and let it cool verifying nothing settled out.
Explanation: