7.1 intro to the Mole

How many atoms of iodine are in a mole of iodine?

• 53
• 63.55g
• 126.9
• 6.02 x 10²³

How can you figure out how particles (atoms) there are in 2 moles?

• 2
• 2 x (6.02 x 10²³)
• 2 x (atomic mass)
• 2 ÷ (6.02 x 10²³)

How many Carbon Atoms are in 4 moles of Carbon?

• 6.02 x 10²³

• 1.33 x 10²³

• 4.52

• 2.408 x 10²⁴

In chemistry, a "mole" is:

• The mass of an atom
• a large number used to count particles
• based on the volume of a substance

The number 6.02 x 10²³ is called...

• Obama's number
• Bohr's number
• Trump's number
• Avogadro's number

How many moles are in 3.10 x 10²³ particles of gold?

• 0.515 mol

• 515 mol

• 520 mol

• 2.00 mol

Tags

NGSS.HS-PS1-7

How many atoms of iodine are in a mole of iodine?

• 53
• 63.55g
• 126.9
• 6.02 x 10²³