EDTA is a very important analytical molecule used to complex divalent metals in order to determine their concentration in a solution. The following reaction takes place:
EDTA^ 4 (aq) +Ca^+2 (aq) [EDTA(Ca)]^ 2 .
What is the concentration of Calcium in the tap water 250.0 mL of the tap water sample is titrated to the endpoint with 3.19 of 0.0500 M EDTA?
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