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1.) Given the following densities at 25oC: magnesium: 1.7 g/cm3    graphite: 1.8 g/cm3    iron: 7.9 g/cm3 A block...

1.) Given the following densities at 25oC:
magnesium: 1.7 g/cm3    graphite: 1.8 g/cm3    iron: 7.9 g/cm3
A block of iron has a mass of 625.0 g. What is the mass of a block of graphite that has the same volume as the block of iron?

110 g

2,120 g

4938g

142.4

483 g
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