Which Statement Best Describes a Mole?

Answer :

A. It is used for chemical equations that have reversible reactions.

B. It is used for directly comparing the amounts of substances.

C. It is used mainly for writing chemical formulas.

D. It is used mainly for dealing with fluid substances.

Correct Answer: B. It is used for directly comparing the amounts of substances.

Explanation:

A mole is best described as a unit of measurement in chemistry that represents a specific quantity of particles (atoms, molecules, ions, etc.). One mole of any substance contains 6.022 × 10²³ particles, known as Avogadro's number, and is used to quantify amounts of a chemical substance.

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