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  • Oct 21, 2012, 05:36 PM
    crentsil14
    water hardness
    please, given the following data, help me solve for the total water hardness as ppm or mg/l of CaCO3

    Data:
    [EDTA]= 0.01 M
    titre value for EDTA use= 16.20ml
    volum of water sample= 10ml

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