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pH of limestone watch

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    does anyone know the typical pH number of lime scale, i know it's acidic but just wondering how acidic.

    thanks in advance
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    Limestone is alkaline . . .
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    (Original post by Unkempt_One)
    Limestone is alkaline . . .
    :redface: so it is...lol
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    http://en.wikipedia.org/wiki/Calcium...ate#Solubility

    8ish
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    Isn't limesstone (CaCO3) a solid by definition (stone), and a pH is related to the concentration of H+ ions in solution?
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    (Original post by 786_786)
    :redface: so it is...lol
    Ah well... it was 50/50! Bad luck! :p:
 
 
 
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