The mole IB physics

What is Avogadro's number?

• 6.02 x 10²³

• 1 mole

• 600 million

• 6.02

A mole is:

• The SI unit for mass

• The SI unit for the amount of a substance

• The SI unit for volume

• The SI unit for area

Which has the most particles?

• 1 mole H₂

• 1 mole Na¹⁺

• 1 mole Al(OH)₃

• These are all the same

How is moles abbreviated?

• M

• m

• mol

• ml

What is the definition of the mole?

• The amount of substance that has the same mass as 6.02 × 10²³ atoms of carbon-12.

• The amount of substance that contains as many nuclei as the number of nuclei in 12 g of carbon-12.

• The amount of substance that has the same mass as one atom of carbon-12.

• The amount of substance that contains as many elementary entities as the number of atoms in 12 g of carbon-12.

If an atom of Fluorine has an atomic mass of 19 amu, it has a Molar mass of ____

• 19 lbs.
• 19 kg
• How am I supposed to know?
• 19 g/mol

Which would have more atoms?

• 1 mole of Li
• 1 mole of Au
• 1 mole of Si
• None, all are equal

How many grams are in 1.2 moles of Neon-20?

• 0.05 grams

• 16.6 grams

• 21.2 grams

• 24.1 grams

How many moles are in 22 g of argon-40? 

• 880 moles
• 0.55 moles
• 1.81 moles
• 5 moles

How many grams does 1 mole of Hydrogen-1 gas weigh?

• 1

• 14

• 2