I"m a student and also I"ve been obtaining interested in rememberingsomer.com. Ns really favor experiments and also was brainstorming of possible things to shot out, one of them was separating a homogeneous mixture. I believed of sugar water and also tried looking it up online yet couldn"t discover anything like I wanted. Everything says to usage crystallization yet I don"t know why you can"t simply boil away water and also be left v sugar choose you can with salt water. Anyways, what methods/ways can I different sugar from water?


If you start with a known "pure" mixture of sugar and also water, then what you propose is fine, come an extent, if you are just after separating the 2 ingredients.

Crystallisation is a purification technique for extracting a solid from solution; the will allow you to different pure solute indigenous the solvent. The remaining solution would still contain a small amount of liquified material, and also hopefully every one of your impurities.

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If you wanted to isolate pure solvent indigenous the solution, girlfriend would must use distillation. ~ collecting the distillate, you would certainly be left v a gummy residue that semi-decomposed street (and your impurities).

Sugar is hygroscopic, and starts decomposing at just over 180°C (~365°F). The problem that you would have with her proposed an approach is the in stimulate to remove the final remnants of the water, girlfriend will require to warm well over the boiling point of water. Google "making caramel" if friend can"t think of what will happen. Also a very small amount of decomposition of your sugar will median you space left through an impure solid. Ago to square one. The factor that you can simply cook the water turn off salt is the it is far more stable and also can be heated safely to much higher temperatures.

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So, there space a few ways to separate these two ingredients, depending on your end goals:

To collect just solute (sugar): warmth over very low warmth to evaporate as lot water as feasible to give yourself a saturated solution. Then crystallise sugar and filter (in the lab you"d wash with a an ideal solvent and dry under vacuum)To collect just the solvent (water): distill over moderate heat to collect water. To collect as lot as possible, the warm used to cook off the solvent requirements to be slowly increased, particularly as you strategy the last portion.To collect both solute (sugar) and solvent (water): girlfriend would remove solid first, climate distil solvent. Uneven you are starting with a saturation solution, you would should do a partial distillation to remove some solvent, then crystallise her sugar, then complete the distillation. You"d still be left through a terrible brown gummy residue.

Sounds choose a an excellent home project, though. Simply be certain to have actually done some an ideal research to permit you to make use of your products if the doesn"t rather go to setup :-)