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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

Sagot :

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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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