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Part A The density of iron is 7.87 g/mL. What is the mass of a 2.00 cm x 4.00 cm x 1.00 cm block of iron? Express your answer to three significant figures and include the appropriate units. View Available Hint(s) alue Units mass = Submit

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Answer #1

density = mass / volume  

density = 7.87 g/mL

mass = ?

volume = 2.00 x 4.00 x 1.00 = 8.00 cm3 = 8.00 mL

mass = density x volume

mass = 7.87 x 8.00

mass = 63.0 g

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