The number of moles of a weak monoprotic acid is determined by titrating with standardized NaOH solu — Laboratory Chemistry Chemistry Question
Question
The number of moles of a weak monoprotic acid is determined by titrating with standardized NaOH solution to a phenolphthalein endpoint. The procedure calls for the acid to be dissolved in 50 mL of distilled water. What error would be introduced by using 75 mL of distilled water instead?
A.
The number of moles would increase significantly.
B.
The number of moles would decrease significantly.
C.✓ Correct
The number of moles would not be significantly affected.
D.
The number of moles would be decreased by the change if the indicator concentration is low but increased if the indicator concentration is high.
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