CHEM001C_Mole Concept & Stoichiometry

Mole (mol)

It is the SI unit for amount of substance.

mole, 1 mole, fixed number, fixed mass

The definition of the ____ specifies the number of objects in a fixed mass of a substance. Therefore, ______ of a substance represents a __________ of chemical entities and has a __________.

amu, atomic mass unit, grams

The central relationship between the mass of one atom and the mass of 1 mole of those atoms is that the atomic mass of an element expressed in ___ (_____________) is numerically the same as the mass of 1 mole of atoms of the element expressed in ______.

Atomic Weight, g/mol

In chemistry, the term ___________ (AW) is used interchangeably with molar mass of an element. The unit of molar mass is ______.

Stoichiometry

The study of quantities of materials consumed and produced in chemical reactions.

- It always follows the law of conservation of mass

Mole Ratio

Ratio between the coefficients in the balanced chemical reaction.

Dimensional Analysis

________________ is the method used in stoichiometry. Cancellation of units must be done in order determine the unknown amount.

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