Answer :
Final answer:
The chemist's data on the density of magnesium is fairly consistent, but inaccurate when compared to the accepted density value of 1.89 g/cm³. This inaccuracy could be due to many factors ranging from experimental error to measurement technique.
Explanation:
The subject of the question is the assessment of an experiment related to the determination of magnesium metal's density. After multiple tests conducted by the chemist, results varied slightly but were consistently below the accepted density value for magnesium, which is 1.89 g/cm³. The given tests reported a density of 1.68 g/cm³, 1.67 g/cm³, 1.69 g/cm³, and 1.69 g/cm³.
Consequently, one could conclude that while the chemist's data is fairly consistent, it is actually inaccurate when compared to the accepted value. This could be due to a variety of factors, such as experimental error, instrument calibration, purity of the magnesium sample, or measurement techniques. This serves to remind us of the importance of precision and accuracy in scientific measurements.
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