Standarization of NaOH Why do the instructions call for using a saturated solution of NaOH rather than one at lower concentration?

Standarization of NaOH

Why do the instructions call for using a saturated solution of NaOH rather than one at lower concentration?

why can it be ignored in the calculation of the concentration of NaOH?

In performing your titration, let us suppose you added too much NaOH and your solution is a dark pink. Can you suggest a procedure to “fix” this trial such that the results can still be used? 

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