Question

Define a mole. What is the importance of a mole?

Answer 1

Answer:

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Define a mole.

The mole is the unit of amount in chemistry. It provides a bridge between the atom and the macroscopic amounts of material that we work with in the laboratory. It allows the chemist to weigh out amounts of two substances, say iron and sulfur, such that equal numbers of atoms of iron and sulfur are obtained. A mole of a substance is defined as:

The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C.

What is the importance of a mole ?

The mole concept pervades all of chemistry. Since most quantitative chemical calculations are based on the mole, an understanding of the mole is essential to the study of chemistry. An understanding of how the mole relates to mass, number of entities (atoms, molecules, ions, etc.) and volume of a gas is included in this module. Formulas are most often interpreted in terms of moles rather than atoms, molecules or formula units (see Language of Chemistry section) since chemical reactions are generally carried out on a macroscopic scale.

Explanation:

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Answer 2

Answer:

Explanation:

a standard scientific unit used to measure large quantities of very small entities such as atoms and molecules

1 mole = 6.023 * 10^23

importance:-

it is the unit of amount in chemistry. it allows chemist to weigh out amounts of two substances.