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Thread: Help splitting in ions

  1. #1 Help splitting in ions 
    crazy sportlaan's Avatar
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    I'm sorry to bother you with this I know this isn't really the place to ask it but I have my exam tomorrow and I don't quite understand something:

    How do you split BaSO4 in ions and mostly what happens in the (dont know or this is the correct therm) hydrolyse of BaSO4

    BaSO4 + H2O -> ?

    I had the answer

    Ba^1+ + SO4^1- but it should be a 2 in place of the ones why?

    thank you


    Why canít atheists solve exponential equations? Because they donít believe in higher powers.
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  3. #2  
    Bullshit Intolerant PhDemon's Avatar
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    Look at the electronic configuration of barium, it has two easily lost outer electrons (in the 6s shell) so forms the Ba2+ ion. Sulphate is an ion with a charge of -2, you can work this out (if you can't remember it) from the fact that sulphur in this ion is in it's highest +6 oxidation state, oxygen is (as usual except in peroxides and superoxides) -2 state, so +6 + (4x -2) = -2.


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  4. #3  
    crazy sportlaan's Avatar
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    thank you
    Crisis avoided
    Why canít atheists solve exponential equations? Because they donít believe in higher powers.
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  5. #4  
    Bullshit Intolerant PhDemon's Avatar
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    No problem, good luck with the exam.
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