Mol Review

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

• 24 molecules
• 180 molecules
• 180 g
• 6.02 x 10²³ molecules

Which has more molecules?

• 1 mole H₂O

• 1 mole Al(OH)₃

• 1 mole NaCl

• They're are all the same

What is the mass of one mole of aluminum?

• 27 g

• 13 g

• 54 g

• 14 g

What are the units for molar mass?

• grams
• amu
• grams/mole
• liters

What is the molar mass of Nitrogen, N₂?

• 14.01 amu / molecule

• 14.01 g / mol

• 28.02 g / mol

• 28.02 amu / molecule

Tags

NGSS.HS-PS1-7

What is the molar mass of NaOH?

• 40.00 g/mol

• 38.99 g/mol

• 23.99 g/mol

• 57.00 g/mol

Which compound has the smallest molar mass?

• CO
• CO₂
• H₂O
• H₂O₂

What is the molar mass of B₂(CO₃)₃?

• 81.632 g/mol
• 94.842 g/mol
• 38.822 g/mol
• 201.648 g/mol

Find the Molar Mass of:
Ga₂(SO₃)₃

• 280 g/mol
• 400 g/mol
• 380 g/mol
• 480 g/mol

Which of the following dimensional analysis setups will correctly convert 27.76g of Li to atoms of Li?

• A

• B

• C

• D