General Chemistry Final Exam Review

What is the molar mass of Ca(OH)₂?

• 54.09 g/mol

• 74.09 g/mol

• 56.08 g/mol

• 98.17 g/mol

One mole of any substance contains:

• 6.02 × 10²³ atoms

• 1.00 g of substance

• 6.02 × 10²³ particles

• 12.01 g

How many moles are in 88.0 g of CO₂?

• 2.00 mol

• 4.00 mol

• 1.00 mol

• 44.0 mol

Which quantity is equivalent to 1 mole of oxygen gas (O₂)?

• 16.0 g

• 22.4 L

• 6.02 × 10²³ atoms

• 8.0 g

The volume of one mole of gas at STP is:

• 22.4 L

• 1.00 L

• 6.02 × 10²³ L

• 12.0 L

In a chemical equation, the → symbol means:

• equal to

• yields

• is greater than

• reacts with

What type of reaction is: 2Na + Cl₂ → 2NaCl?

• Decomposition

• Single replacement

• Double replacement

• Synthesis

Which of the following is balanced?

• H₂ + O₂ → H₂O

• 2H₂ + O₂ → 2H₂O

• H₂ + 2O₂ → H₂O₂

• 2H₂O → H₂ + O₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

In the reaction Zn + 2HCl → ZnCl₂ + H₂, which element is oxidized?

• H

• Cl

• Zn

• None

What is a product in the following reaction? Fe + CuSO₄ → FeSO₄ + Cu

• Fe

• CuSO₄

• Cu

• FeSO₄ and Cu

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5