Ilove H.

asked • 10/19/17

Iron has a known density of 7.87 g/cm3. What would be the mass of a 2500 cm3 piece of iron

chemistry problem

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David C. answered • 10/19/17

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Mass = (Volume)(Density)
 
 
Basis:
Iron Density = 7.87 g/cm3
Volume of Iron = 2500 cm3
 
Mass=(V)(D)
Mass= (2500 cm3)(7.87 g/cm3) 
Mass=19,675g = 19.675 kg  answer
 
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J.R. S.

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If your teacher is a stickler for significant figures, you might want to round your answer to 19.7 kg.
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10/19/17

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