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Hygroskopie: Wasser aus Luft löst Salze Deliquescence: Water from the air dissolves salts

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Uploaded by on Jan 5, 2008

Auf einer Schalenwaage wird Badesalz aus dem Toten Meer durch Kochsalz aufgewogen.
Wegen der großen Menge an Magnesiumsalzen zieht das Badesalz so viel Wasser aus der Luft an, dass die Waagschale nach einigen Stunden sinkt.
Nach einigen Tage hat sich das Salz in dem aus der Luft angezogenen Wasser gelöst. Diese Stoffeigenschaft heißt Hygroskopie.
Dead Sea salt is balanced by table salt on a two-pan scale. After a few days the Dead Sea salt has absorbed so much water from the air, that it has dissolved in it. This is due to magnesium salts: Its property is called deiquescence.
See: http://www.youtube.com/watch?v=2IWoSR2jYgY&feature=related

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  • Finger weg von den Drogen Junge!!

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