Which Statement Is True About the Mole and Molar Mass

question 142

Multiple Choice

Which statement is true about the mole and molar mass?

• A)A mole is a number of particles equal to the number of atoms in exactly 12 grams of carbon-12.
• B)A mole is a number of particles equal to the number of atoms in exactly 12 grams of naturally occurring carbon.
• C)A mole is a number of particles equal to the number of atoms in exactly 16 grams of oxygen-16.
• D)Molecular mass in amu and molar mass in grams per mole are independent of each other.
• E)The mole requires that the numbers of atoms in equal masses of different substances are equal.

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Definitions:

Art Deco

Descended from Art Nouveau, this movement of the 1920s and 1930s sought to upgrade industrial design as a “fine art” and to work new materials into decorative patterns that could be either machined or handcrafted. Characterized by streamlined, elongated, and symmetrical design.

William Van Alen

An American architect best known for designing the Chrysler Building in New York City, a classic example of Art Deco architecture.

My Egypt

A painting by Charles Demuth in 1927, part of the Precisionist movement, symbolically representing industrial America through the image of grain elevators.

Grain Elevator

A storage facility used for handling bulk materials, specifically grains, utilizing a mechanism to elevate the grains from ground level.