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Solubility Rules -- Any good ways to memorize?

Discussion in 'DAT Discussions' started by Divineimpetus, Jul 9, 2005.

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  1. Divineimpetus

    Divineimpetus Trucker's Atlas

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    Does anyone have a mnemonic or a conceptual approach to solubility?
  2. mochafreak

    mochafreak registered quaffer

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    This is from the MCAT Discussions/General Chemistry questions thread. Problem is it doesn't quite cover everything...like all ammonium salts are soluble, for instance.

    Here is SilvrGrey330's extremely clever mnemonic to remember salt solubility rules.

    C A S H n Gia

    Read it as "Cashin' Gia"...how to remember that? well the story is...im a pimp...and gia is my hoe, and i need to get my cash from her. hence...Cashing from gia.

    C is clorates, A is acetates, S is sulfates, H is halogens, n is Nitrates, and Gia is Group I A metals. ---> THESE ARE ALL SOLUBLE, XCEPT

    for S: Ca, Ba, Sr.....just remember the tv network CBS
    for H: Ca, Ba, Sr + Happy...whats happy? Hb Ag Pb ...mercury, silvr and lead...add a py to the end and all the first letters spell HAPPY

    and if its not part of CASHnGIA...its insoluble.
  3. Future DDS

    Future DDS Member

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  4. I AM SARA

    I AM SARA Removed

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    Dont worry, I took the test two days ago and there wasnt one solubility question on it.
  5. pakipuertorican

    pakipuertorican

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    From Chads GC Video 1.4 for DAT

    1) all group 1 metals, nitrates, ammonium salts, perchlorate, acetate salts = soluble
    2) most silver, lead, mercury salts are insoluble ***unless paired with #1

    Here's how I remember it:

    One solemn night, Amelia purchased an insanely large milk shake

    group one, SOL-uble,nitrate, ammonium, perchlorate, acetate
    INS-oluble, lead, mercury, silver

    If you're from ATX you'll understand this: On her 21st birthday, Amelia went to 6th. After coming back from the E-bus, she needed a large vanilla milk shake and honey butter biscuit from Whataburger to fulfill her cravings.
  6. emitpeels

    emitpeels

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    Thanks for the tip, that's pretty clever!

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