Victoria1823 Victoria1823

30-01-2017
Chemistry

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A graduated cylinder contains 15.75 mL of water. A metal that weighs 31.745 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 First Determine Volume of Metal: Report result to the same number of decimal places as the number with the least number of decimal places. Use this volume in calculation. Second Determine Density of metal: D=M/V Report result to the same number of significant figures as the number with the least number of significant figures. Do not use exponential notation in answer.

Respuesta :

Willchemistry Willchemistry

30-01-2017

Displaced volume :

Final volume - Initial volume

38.55 mL - 15.75 mL => 22.8 mL

Mass = 31.745 g

Therefore:

density = mass / volume

D = 31.745 / 22.8

D = 1.3923 g/mL

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