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Question: lab spectrophotometric determination of acetylsalicylic acid 1 suggest a...

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LAB : Spectrophotometric Determination of Acetylsalicylic Acid

1/ Suggest a source of error and explain how it would lead to the observed difference (higher or lower) between the experimentally determined mass of ASA in the tablet and the manufacturer's claimed amount.

2/ Why was the buffered Fe3+ solution used to zero the Spectronic 20?

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