On what parameters does the solubility of a solute in a given solvent depend?

What is a solute?

Why does the molality of a solution remain unchanged with temperature?

Why does the conductivity of a solution decrease with dilution?

Why does the conductivity of solution decrease with dilution?

Why does molarity of a solution change with temperature?

What are the properties of a solution?

On what does the efficiency of a heat engine depends ?

How does the viscosity of gases depend upon temperature?

What does the speedometer of a car indicate?

Pragya tested the solubility of three different substances at different temperatures - and collected the data as given below (results are given in thefollowing table, as grams of substance dissolved in 100 grams of water to form a saturated solution). Find the solubility of each salt at 293K. Which salt has the highest solubility at this temperature?