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What is the density of an 84.7g sample of an unknown substance that occupies 49.6cm^3
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The volume of helium in a blimp is 6.28 x 10^9 millimeters. the density of helium in the blimp is .1786 kilogram/meter^3. find the mass of the helium in the blimp.
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What is the density of an 84.7g sample of an unknown substance that occupies 49.6cm^3...
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