Molar Mass Lesson

Multiple Choice

What are the units of Molar Mass?

• g/mol

• g

• mol

• M

• L

Multiple Choice

Where do you find the numbers for Molar Mass?

• Activity Series

• Polyatomic Ion List

• VSEPR Sheet

• Periodic Table

• Balanced Chemical Reaction

Multiple Select

On the Periodic Table where do you find the numbers needed for Molar mass.

Choose one location (top/bottom) and the correct number name.

• Top

• Atomic Mass

• Atomic Number

• Bottom

Multiple Choice

Calculate the molar mass for the following chemical:

O₂

• 12.0 g/mol

• 32.0 g/mol

• 44.0 g/mol

• 28.0 g/mol

Multiple Choice

Calculate the molar mass for the following chemical:

CO₂

• 12.0 g/mol

• 32.0 g/mol

• 44.0 g/mol

• 28.0 g/mol

Multiple Choice

Calculate the molar mass for the following chemical:

BH₃

• 13.0 g/mol

• 11.8 g/mol

• 14.0 g/mol

• 13.8 g/mol

Multiple Choice

Calculate the molar mass for the following chemical:

CO

• 28.0 g/mol

• 12.0 g/mol

• 16.0 g/mol

• 26.0 g/mol

Multiple Choice

Calculate the molar mass for the following chemical:

H₂O₂

• 42.0 g/mol

• 34.0 g/mol

• 48.0 g/mol

• 32.0 g/mol

Multiple Choice

Calculate the molar mass for the following chemical:

MgF₂

• 57.9 g/mol

• 43.4 g/mol

• 62.3 g/mol

• 67.6 g/mol

Multiple Choice

Calculate the molar mass for the following chemical:

C₂H₅OH

• 29.0 g/mol

• 46.0 g/mol

• 56.0 g/mol

• 54.0 g/mol

Multiple Choice

Quantify the Elements and Atoms of the following chemical:

Mg(OH)₂

• Mg = 1

  O = 1

  H = 2

• Mg = 2

  O = 2

  H = 2

• Mg = 1

  O = 2

  H = 2

• Mg = 1

  O = 1

  H = 1

Multiple Choice

Calculate the molar mass for the following chemical:

Mg(OH)₂

• 58.3 g/mol

• 41.3 g/mol

• 42.6 g/mol

• 57.6 g/mol

Multiple Choice

Calculate the molar mass for the following chemical:

N₂O₅

• 102.0 g/mol

• 300.0 g/mol

• 95.0 g/mol

• 108.0 g/mol

Multiple Choice

Calculate the molar mass for the following chemical:

NaNO₃

• 102.0 g/mol

• 85.0 g/mol

• 96.0 g/mol

• 79.0 g/mol

Multiple Choice

Quantify the Elements and Atoms of the following chemical:

Al₂(SO₄)₃

• Al = 2

  S = 3

  O = 7

• Al = 2

  S = 3

  O = 12

• Al = 6

  S = 3

  O = 12

• Al = 2

  SO₄ = 3

Multiple Choice

Calculate the molar mass for the following chemical:

Al₂(SO₄)₃

• 343.0 g/mol

• 262.4 g/mol

• 235.3 g/mol

• 342.3 g/mol

Multiple Choice

Quantify the Elements and Atoms of the following chemical:

Ca(NO₃)₂

• Ca = 2

  N = 2

  O = 5

• Ca = 1

  N = 2

  O = 5

• Ca = 1

  N = 2

  O = 6

• Ca = 2

  N = 2

  O =6

Multiple Choice

Calculate the molar mass for the following chemical:

Ca(NO₃)₂

• 183.1 g/mol

• 180.1 g/mol

• 202.1 g/mol

• 164.1 g/mol

Multiple Choice

Quantify the Elements and Atoms of the following chemical:

(NH₄)₂SO₄

• N = 2

  H = 8

  S = 1

  O = 4

• N = 1

  H = 6

  S = 1

  O = 4

• N = 1

  H = 4

  S = 2

  O = 4

• N = 2

  H = 8

  S = 4

  O = 4

Multiple Choice

Calculate the molar mass for the following chemical:

(NH₄)₂SO₄

• 104.2 g/mol

• 122.1 g/mol

• 143.2 g/mol

• 132.1 g/mol

Multiple Choice

Quantify the Elements and Atoms of the following chemical:

V₃(PO₄)₅

• V = 3

  P = 5

  O = 9

• V = 3

  P = 5

  O = 20

• V = 3

  P = 1

  O = 4

• V = 3

  P = 1

  O = 20

Multiple Choice

Calculate the molar mass for the following chemical:

V₃(PO₄)₅

• 628.0 g/mol

• 627.7 g/mol

• 783.2 g/mol

• 544.0 g/mol