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Ideal for planning Key Stage 3 and 4 chemistry lessons, Professor Hal Sosabowski demonstrates a solid spontaneously coming out of solution in this visually beautiful experiment creating a sodium ethanoate stalagmite.
Just a few seed crystals are enough to form a nucleation site for a super-saturated solution of sodium acetate. This self-perpetuating reaction forms the basis for hand-warming packs.
Professor Hal Sosabowski is a committed chemistry educator who shows how to safely recreate his inspirational demonstrations, which are both educational and spectacular.
Part of the series: Demonstrating Chemistry