Rapid Crystallization (Supersaturated Solution Demo)

Tags:: Amazing Chemistry Science Experiments Demonstrations Demo Super Saturated Solution Sodium

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By: kentchemistry.com
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Updated: 10-May-09
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Added: 04-Feb-07

A seed crystal is dropped into an unstable supersaturatedsolution of sodium acetate NaC2H3O2 and it completelycrystallized in front of your eyes. This chemistry more... demonstration is prepared by heating 700 grams of sodiumacetate in 50mL of water in a flask until all the soliddissolves. The solution is then cooled back to roomtemperature. Drop a seed crystal and see the very coolresults.

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Rapid Crystallization (Supersaturated Solution Demo)

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Question for the Chemistry impared... (m...
Why does the solution not re-solidify as it cools down before the seed is dropped in it?
By CaptainXanax 1170661069 Reply Spam [+2] Moderate Up Moderate Down Remove ~~910872~~
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  the solution cannot resolidify because there's no focal point for the crystal to start forming, and it's somewhat stable.
  By Pinhedd 1170735238 Reply Spam [+2] Moderate Up Moderate Down Remove ~~2203685~~
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