Hygroscopic means it absorbs water but doesn't dissolve. NaCl is deliquescent, hygroscopic or efflorescent? Basically, anything that is deliquescent is also hygroscopic. I'm not too sure about NaCl, but I don't believe that it is either. For e.g. Iron (III) chloride FeCl3, and KOH are both hygroscopic and deliquescent. @sunil:very good attempt.we appreciate your contriution to this forum.you deserve thumbs up from experts. Why is impure NaCl deliquescent while pure NaCl is not? yes, nacl is hygroscopic in nature. Sodium chloride is hygroscopic, which is why salt cellars / salt shakers become jammed as it sticks together in humid weather. that are saturated with respect to the same deliquescent min-erals. Post an Answer. Hygroscopic substances become wet while deliquescent substance dissolve after absorbing moisture. CaCl 2 is deliquescent while NaCl is hygroscopic. - 3984541 vry easy eg. Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. If there is more than one deliquescent substance present in a mixture of solids, ... At f NaCl/Sucrose > 0.25 Clegg’s model predicts an increase followed by a decrease of water activity but does not fit the experimental points. This is the major difference between these two closely related terms. Give reason to support your answer. Theoretically, the solid is pure NaCl (as is the case for any 2-phase system with starting composition m NaClO 4 /(m NaClO 4 + m NaCl) < 0.95); therefore, the solid might be a poor template for crystallization of a solution containing NaClO 4. In Chemistry 5 Answers Available Asked by Blake on 30th April, 2020 To get notifications when anyone posts a new answer to this question, Follow New Answers. At the total solid content of 56%, the solution is saturated with respect to NaCl for f NaCl/Sucrose = 0.25. Figures 1–5 show the model calculations of relative humidity and solution composition from 90 to 120°C versus X NO3 or X Na for the NaCl–NaNO 3–H 2O, the KNO 3–NaNO 3–H 2O, and the NaCl–KNO 3–H 2O systems. But table salt is deliquescent due to Magnesium Chloride(MgCl2) impurities. The salt in your salt shaker doesn't absorb any liquid, but I can't say for sure. Pure NaCl is not deliquescent. It will be deleted. is of water absorbtion by it during d rainy reasn , when moisture is more in d air.
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