Chapter 4 Solution Manual

A set of vocabulary flashcards based on key concepts from the chapter on moles, chemical equations, and stoichiometry.

Molar Mass

The mass of one mole of a substance expressed in grams.

Avogadro’s Number

6.022 × 10²³, the number of entities in one mole of a substance.

Empirical Formula

The simplest whole-number ratio of atoms in a given molecule.

Molecular Formula

The exact number of each type of atom in a molecule.

Limiting Reactant

The reactant that is completely consumed in a chemical reaction, determining the maximum amount of product that can be formed.

Excess Reactant

Reactants that are not completely consumed in a chemical reaction.

Percent Yield

Actual yield divided by theoretical yield, multiplied by 100.

Stoichiometry

The calculation of the relative quantities of reactants and products in chemical reactions.

Theoretical Yield

The maximum amount of product that can be obtained from a given reaction.

Mass Percent Composition

The relative mass of an element in a compound expressed as a percentage.