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Chemistry

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A chemist has a block of copper metal (density is 8.96). They drop the metal into a graduated cylinder containing water, and find the volume change is 2.90 mL. What is the mass of the block , in grams?

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Answer:

26g

Explanation:

Given parameters:

Density = 8.96g/cm³

Volume of metal = 2.9mL

Since 1mL = 1cm³;

Volume = 2.9cm³

Unknown:

Mass of the blocks in grams = ?

Solution:

Density is the mass per unit volume of a substance;

Mass = density x volume = 8.96 x 2.9 = 26g

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