If 832 G of Copper Is Mixed with 5

question 158

Multiple Choice

If 8.32 g of copper is mixed with 5.2372 × 10^-2 mol of zinc to create the alloy brass, how many metal atoms total are present in the brass?

• A) 7.88 × 10²² metal atoms
• B) 3.04 × 10^-25 metal atoms
• C) 1.10 × 10²³ metal atoms
• D) 3.15 × 10²² metal atoms
• E) 3.15 × 10^-22 metal atoms

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Definitions:

Notochord

A flexible rod-like structure that provides support in all embryonic and some adult chordate animals.

Amniotic Egg

An egg with a protective amniotic membrane, enabling the embryo to develop outside the mother's body, characteristic of reptiles, birds, and certain mammals.

Homo Habilis

An extinct species of early human that lived approximately 2.1 to 1.5 million years ago, known for using stone tools.

First Tools

Early human-made objects, such as stone tools, used to perform various tasks and represent a significant advancement in human evolutionary history.