Regarding the safe disposal of discarded solutions in

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2. Regarding the safe disposal of discarded solutions in this experiment: (1) Briefly explain why excess HCl and NaOH solutions must be collected for treatment before disposal, but the titration from a completed titration can be safely poured into the drain, diluting with large amounts of running water.
(2) Suggest a detailed procedure for treating and safely disposing of the solution you collected in your “Discarded NaOH and HCl Solutions” beaker.

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