chemistry

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25mL of tap-water is titrated with .00500 M EDTA. 7.95mL of EDTA is required for complete reaction, Whatis the molarity of that total water hardness in the 25mL sample

  • chemistry -

    mols EDTA = M x L = ?
    mols EDTA = mols hardness (Ca + Mg)
    M hardness = mols/L = mols from above/0.025L

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