I will put different amounts of salt in an ice tray with water and freeze it at 32 degrees fahrenheit. I will check the water every 10 minutes. It most likely won't freeze faster because the ice will melt faster. The definition of freezing is to harden into ice or a solid body; transition from the liquid state to the solid state due to heat loss. How does salt melt ice. Salt makes it more difficult for water molecules to bind together in their rigid structure. In water, salt is a solute and breaks down into its elements. So, if you use table salt, also known as sodium chloride (NaCl), to melt ice, the salt will dissolve into separate sodium ions and chloride ions. Say no to plagiarism. Get a tailor-made essay on "Why Violent Video Games Shouldn't Be Banned"? Get an original essay Often, however, cities use calcium chloride (CaCl2), another type of salt, in their icy streets. Calcium chloride is more effective at melting ice because it can break down into three ions instead of two: one calcium ion and two chloride ions. More ions means more ions getting in the way of those rigid ice bonds. Because you put salt on the road. Salt helps ice melt faster. What's interesting is that this effect is used everywhere. Salt is often placed on roads to melt ice. If there is a lot of ice, you need a lot of salt. If the temperature drops below -21°C, it will not work at all. Salt water has a much lower freezing point (the freezing point is the temperature at which something freezes) than fresh water. And the more salt there is, the lower the freezing point becomes. So, to know the exact temperature at which it will freeze, you need to know how salty it is. For the most saturated salt water possible (i.e. there is no way to dissolve more salt in it, no matter how hard you try), the freezing point is -21.1 degrees Celsius. This occurs when salt water contains 23.3% salt (by weight). When water begins to freeze, salt remains in the liquid. So if you start with water that is not saturated with salt, as it freezes, the remaining water will become saturated. So if the water starts to freeze at, say, -10°C, more of it freezes as it is cooled further until the last part freezes at -21.1°C. Therefore, for unsaturated salt water freezing occurs over a range of temperatures, not all at the same exact temperature, unlike pure water. In liquid water, all water molecules are constantly moving very quickly. The most important movements for liquid water are rotations (water molecules rotate) and translations (water molecules move from one place to another). Please note: this is just an example. Get a custom paper from our expert writers now. Get a Custom Essay To freeze in ice, water molecules must lose these movements to get "stuck" in a specific position, called the ice crystal structure. As liquid water gets colder and colder, the movements of liquid water molecules become slower and slower. When water is at the freezing point, the liquid water molecules that “crash” onto the surface of the ice move slowly and become “stuck” in place. This is how ice forms at low temperatures.