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- W2071479103 abstract "The temperature rise caused by the exothermic crystallization of a supersaturated solution of sodium acetate is visualized by performing the crystallization in the presence of phenolphthalein. As the solution warms to near 50 oC, a distinct pink color appears. Heating the solution to 90 oC affords a brilliant pink color. Quantitative spectroscopic measurements at 554 nm as a function of temperature shows that the absorbance obeys a van't Hoff relationship. The color change is ascribed to the variation of Kw (and thus the derived hydrolysis constant Kb for acetate ion) with temperature." @default.
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- W2071479103 date "1995-11-01" @default.
- W2071479103 modified "2023-09-27" @default.
- W2071479103 title "Crystallization of Supersaturated Sodium Acetate and the Temperature Dependence of the Autoionization Constant of Water" @default.
- W2071479103 doi "https://doi.org/10.1021/ed072p1027" @default.
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