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aluminium chloride watch

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    hi does anyone know if AlCl(3) reacts with water and if so what the pH of the resulting solution is?


    Thanks a million

    sarah
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    AlCl3 reacts with water to give Al(OH)3 and HCl:

    AlCl3 + 3H2O -> Al(OH)3 + 4HCl
    [Obviously the HCl is ionised, but the charges make it look messier!]

    How that then reacts depends on what you put into it - aluminium hydroxide is amphoteric - it can react with acids to give aluminium salts (containing Al3+) or with bases to give aluminate salts (containing [AlO2]-).
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    You obviously know your stuff well, good job.
    • Thread Starter
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    thanks alot!
 
 
 
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