Anonymous. Still have questions? Why does salt dissolve in water? Since the amount of salt the volume of water and the texture of the salt crystals were identical in both test tubes how do you explain the difference in time for dissolving at the hot vs cold temperatures Favorite Answer. 3) We can make the solute dissolve faster by grinding the solute before it is put into the solvent. Science. When table salt, sodium chloride, dissolves in water, it dissociates into its respective cations and anions, Na + and Cl-. Explain your . As mentioned how fast you stir is also a major factor. -created by mus1996www.startimes.com-----if you like press on likeand subsucribe As they move faster, they come into contact with the sugar more often, causing it to dissolve faster. How Fast Does It Dissolve? Answer (1 of 5): Salt would dissolve better in hot water because, when substances have a high temperature, they have more energy. Discussion: Salt would dissolve quicker in hot water because the molecules in hot water move faster than cold water because of the higher energy, therefore the molecules of hot water move fast, they can more easily break apart the other molecules of a different substance when they come into contact. Swirl both cups the same way for about 20 seconds and check for the amount of salt dissolved. There is also another difference and that is you can dissolve more sugar in hot the cold water. The other liquids in which you dissolve salt and sugar will be the variables. The molecules in hot water move faster than cold water because of the higher energy. Why does salt dissolve in water? water—how fast salt dissolves or how fast sugar dissolves? For example, in washing, it is important that soap or washing up liquids dissolve in water and in making a glass of orange juice, it is important that sugar and the juice of the orange dissolve in water. At 20 °C one liter of water can dissolve about 357 grams of salt, a concentration of 26.3% w/v. Which dissolved faster in water, rock salt or iodized salt? Swirl for the last 20 seconds and check. A vinegar molecule is many times bigger than a water molecule, and because I'm assuming the temperature is above absolute zero, the slishing and sloshing about of molecules agitates the salt molecules, causing them to dissolve faster. Swirl for another 20 seconds and check. Now imagine that cube broken into cubes 1.0 mm on a side. … Boiling water (70 degrees) - fully dissolved in the 2 minute period. It does not contain any net charge making it nonreactive. I add some salt and stir until it is dissolved. Why Salt Does Not Dissolve in Oil. That means that it is the surface area that limits the rate. I don't know whether this is for all materials in water, apart from salt. Salt is an example of a solute that changes a little when the temperature of water rises. How does salt dissolve in water? Say half a teaspoon in a cup.. say 300mL of room temperature water and stir it, it will dissolve quite rapidly. Join the discussion today. So the faster you can add the needed energy to the sugar the faster is can dissolve so it dissolve faster in hot water. The amount of time and speed it takes to dissolve sugar in water and dissolve salt in water depends on the amounts of salt and sugar, the amount of water, and the temperature of the water. So that is why salt dissolves faster in hot water versus cold water. we are now on the last try WAS I RIGHT??? However, the same amount of sugar added into hot and cold water dissolves faster in the hot water than in the cold water. however for cold water it will not dissolve as fast as hot water. Sugar dissolves faster than salt in water. Which you haven't even mentioned. 1 decade ago. Salt dissolves in water. Explain your answer. Salt is a soluble solid that will breakdown when combined with water. Salt dissolves in water because of the properties of both substances. When you keep on adding the solute, one time you see the solute will remain undissolved at the bottom of the container. Trump is trying to get around Twitter's ban, Woman dubbed 'SoHo Karen' snaps at morning TV host, Official: Trump went 'ballistic' after being tossed off Twitter, NFL owner's odd declaration alters job openings rankings, 'Punky Brewster': New cast pic, Peacock premiere date, Clooney: Trump family belongs in 'dustpan of history', Student loan payments pause will continue: Biden official, GOP senator becomes public enemy No. Salt dissolves in water because of the properties of both substances. Hypothesis independent and dependent variable and the constants my records and data of my experiment independent variable the amount of water would change. Read the Does your Kosher salt completely dissolve in your Brine discussion from the Chowhound Home Cooking, Salt food community. Objective. 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