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How do you know if a substance is soluble or not? By the name |
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 Replies: 7 — Last Post May 26 7:37am by Sachacohen2
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Cyanide666
Executive
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I can try and get you a solubility chart, for points.
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WaterMolecules
Executive
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My chemistry is a little rough, but it all comes down to polarity. If the molecule is polar, it will be soluble. You will need to remember which kinds of compounds are polar. The only one I can remember off the top of my head are oxides. They are definitely polar.
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...more than there are water molecules in the ocean...
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AlexRox
Personal Assistant
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If an element is polar, it's got a strong charge on one side, and a weak one on the other, this difference in pull allows also polar molecules to essentially rip it apart.
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blufindr
Guru
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look at the structure of the formula. as a general rule, if it's a linear/tetrahedral/funny-looking one that's like the mercedes logo, it's not dissolvable.
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My chemistry is a little rough, but it all comes down to polarity. If the molecule is polar, it will be soluble. You will need to remember which kinds of compounds are polar. The only one I can remember off the top of my head are oxides. They are definitely polar. 
