Law of Conservation of Mass in Closed Systems (Qualitative) | Grade 8 Science | Free K12 Practice

8.27 Law of Conservation of Mass in Closed Systems (Qualitative)

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Skill Level🔴 Hard

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A digital balance reads to the nearest 0.1 g. Three sealed trials are 47.3 g to 47.2 g, 47.4 g to 47.4 g, and 47.2 g to 47.3 g. What is the best conclusion?