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When 25 g of the unknown metal were added, the water was displaced 3.50 mL. Calculate...

When 25 g of the unknown metal were added, the water was displaced 3.50 mL. Calculate the density of the unknown metal. Remember, density = mass/volume. Express your answer as g/cm3 ( 1 mL = 1 cm3). Choose the closest answer. How many significant figures should be shown in the final answer?

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Answer #1

Write the expression for density.

density = mass/volume

= 25 g /3.50 ml

1 mL = 1 cm3

= 7.1429 g/cm3

Four significant figures should be shown in the final answer.

= 7.143 g/cm3

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