A graduate cylinder contains 15.75 mL of water. A metal that weighs 91.28 g is added.
The final reading is 38.55 ml. Using the correct number of significant figures, determine the density of the metal = _____ g/mL

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30-01-2015
Chemistry

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A graduate cylinder contains 15.75 mL of water. A metal that weighs 91.28 g is added.
The final reading is 38.55 ml. Using the correct number of significant figures, determine the density of the metal = _____ g/mL

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W0lf93idn W0lf93idn · Answer 1 · 2017-08-10T18:23:43-04:00

W0lf93idn W0lf93idn

10-08-2017

To determine the density of the metal, you must use the formula density = mass/volume from the compound measures triangle. As you want the density of the metal only, first subtract the initial reading of the volume from the final reading. Then put the values into the formula. D = 91.28/22.8. V = 4.00350, rounded to 4.00 at two significant figures.

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