Imagine that you are attempting to determine the concentration of an acid by titration with a...

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Chemistry

Imagine that you are attempting to determine theconcentration of an acid by titration with a solution of sodiumhydroxide with a known concentration, using phenolphthalein as anindicator. For each of the following sources of error, indicatewhether the calculated concentration of acid would be toohigh or too low.
i. An air bubble was present in the tip of the buret beforebeginning the titration but was absent at the end of thetitration.
ii. You added too much base and went beyond the end point.
iii. Some of the acid splashed on to the sides of the flask andwasnâ€™t titrated.

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3.9 Ratings (643 Votes)

i If there were air bubbles at the start and then during the titration they floated up and popped it would make it look like you used more NaOH than you actually did so the concentration should be high If there were air bubbles at the start but they didnt See Answer

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