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Thread: Electrolysis of Low salt concentration water

  1. #1 Electrolysis of Low salt concentration water 
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    I want to decompose NaCl in a solution of water let's say 1000 ml. If the salt is 3.5% concentration, that is 35 ml, how much time will i need to pass current of 9V to breakdown NaCl completely. And if the concentration increases will i need to pass current for longer. Is time of Electrolysis independent of soluble concentration?
    -Thanks


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  3. #2  
    Life-Size Nanoputian Flick Montana's Avatar
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    Sounds like homework. Try to answer it or you won't get much in the way of help. We don't do peoples' homework for them.


    "Sometimes I think the surest sign that intelligent life exists elsewhere in the universe is that none of it has tried to contact us." -Calvin
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  4. #3  
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    Its not H.W. We have holidays now. I'm figuring out how long i need to switch on the current to breakdown the salt into Na and Cl. Just tell me approximately how long by experience? BTW its for my science fair.
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  5. #4  
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    You are going to get chlorine gas as a product of that process. This is a dangerous poison. How do you plan to contain it?
    This is the process that killed submarine crews in battle situations. The sub would spring a leak and seawater would get to the batteries and short them out generating Cholrine that would kill the crew or at least force them to surface for air.
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