# chemistry

a brain weighing 1.0 Ib occupies a volume of 620 ml. What is the specific gravity of the brain?

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1. 1 lb = 454 grams (approximately). You can look it up if you want more accuracy (for example 453.59 g).
density = mass/volume. Substitute and solve.

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2. lmlLl

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3. 454g/620mL=0.73

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4. 454g/620mL=0.73 g/mL

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