The year in which salt would dissolve the slowest is not a fixed point in time, but rather a matter of temperature and the conditions in which it is being dissolved. Salt generally dissolves more slowly in colder water than in warmer water. It's not possible to pinpoint a specific year as the year when salt dissolves slowest, but rather to understand the factors that influence the rate of dissolution. Here's why:Temperature:Cold water has lower kinetic energy than warm water, meaning the water molecules move more slowly. This makes it harder for salt to dissolve as it requires the water molecules to break the bonds holding the salt crystals together. Conditions:Factors like the presence of other dissolved substances, the size of the salt crystals, and the amount of stirring can all affect how quickly salt dissolves, according to Science Line. In summary: Salt dissolves slowly in cold water, and the rate of dissolution can be influenced by various factors. There is no specific year when salt would dissolve the slowest, but rather a general principle that colder temperatures lead to slower dissolution.