In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Q: term in the Scatchard-Hildebrand equation squares the difference between two of this property's namesake parameters, and a differential form of this quantity is measured by calculating a partition coefficient. The natural logarithm of this quantity is equivalent to entropy of fusion divided by the gas constant times quantity one minus freezing point over temperature in an expression of its "ideal law". Two salts can influence this property of each other via the common ion effect, and this property of a gas increases with pressure according to Henry's Law. For 10 points, name this property, the extent to which a substance forms a solute under a given set of conditions.
A:
Science