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    Hi!
    Does anyone know how they got pH of 4.22 for their answer, I got pH 5.52 but I just don't understand where they got their moles and concentrations from.
    I attached the Part of the Question with the Mark scheme that I'm Stuck on.
    Please Help!
    Thanks xxxx
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  1. File Type: docx F325 Q3cii June 2012 .docx (390.2 KB, 66 views)
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    (Original post by castl021.302)
    Hi!
    Does anyone know how they got pH of 4.22 for their answer, I got pH 5.52 but I just don't understand where they got their moles and concentrations from.
    I attached the Part of the Question with the Mark scheme that I'm Stuck on.
    Please Help!
    Thanks xxxx
    Any help?
    Attached Images
     
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    (Original post by TeachChemistry)
    Any help?
    Yeah, a lot better, but where did you get 0.01Moles for the 'After' bit from?

    Thanks
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    how do you get the 0.01?
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    Yeah please answer! This is so confusing.
 
 
 
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