Question:
A chemist needs to know the mass of a sample of aniline to 2
Last updated: 7/10/2022
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A chemist needs to know the mass of a sample of aniline to 2 significant digits. He puts the sample on a digital scale. This is what the scale shows: 00047.7 g If this measurement is precise enough for the chemist, round it to 2 significant digits.