AP®︎ Chemistry: Topic 1.1 Flashcards

Master key terms and definitions for Topic 1.1 of AP Chemistry – Moles and Molar Mass to help you prep for quizzes and the AP exam.

0%
8 cards total
8 not started
0 learning
0 almost done
0 mastered
Term

Molar Mass

Definition

The mass of one mole of a substance, usually expressed in g/mol.

1 / 8
Molar Mass
Not Started

The mass of one mole of a substance, usually expressed in g/mol.

1.1.A1.1.A.3
Formula Units
Not Started

The lowest whole-number ratio of ions in an ionic compound, counted as particles in a mole.

1.1.A1.1.A.2
Calculating Molar Mass
Not Started

Add each element's atomic mass multiplied by its subscript in the chemical formula.

1.1.A1.1.A.3
Moles-Mass Equation
Not Started

n = m/M, where m is mass in grams and M is molar mass.

1.1.A1.1.A.3
Subscripts and Particle Ratios
Not Started

Subscripts show atom ratios in a formula and determine particle-to-atom conversion relationships.

1.1.A
Mole and Avogadro's Number
Not Started

One mole contains 6.022 × 10^23 representative particles of a substance.

1.1.A1.1.A.2
Atomic Mass and Molar Mass Relationship
Not Started

A particle's average mass in amu equals that substance's molar mass numerically in g/mol.

1.1.A1.1.A.3
Dimensional Analysis
Not Started

A conversion method using molar mass or Avogadro's number so units cancel correctly.

1.1.A