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Water hardness lab report

The Chemistry of Natural Waters Aaron Jacobs 11/8/2011 Chem 111, Section 104 TA: Alex Wiltrout Group Members: Aaron Jacobs SeHoon Jang Lauren Kleinschmidt, William Klotz Harrison Marx Introduction: The Water we drink, the Water that falls from the sky in the form of rain and the Water our pools are filled with all have different degrees of hardness to them. hardness doesn t refer to actually how solid the Water is but rather the concentration of ions and salts in a given sample of Water , more specifically the concentration of magnesium and calcium ions.

By!adding!various!indicators!and!EDTAsolutions,!the!hardness!of!the!water!canbe determined.!!EBT!indicator,originallyabluecolor,!reactswiththeMg+2ions!in!the!sample ...

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