Avogadro's Number Review

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

• 53
• 63.55g
• 126.9
• 6.02 x 10²³

The number 6.02 x 10²³ is called...

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

How many particles (atoms) would be in 8.4 moles of Octane (C₈H₁₈)?

• 5.77 x 10²³
• 5.04 x 10²⁴
• 5.77 x 10²⁶
• 5.04 x 10²³

Which has more molecules?

• 1 mole H₂O
• 1 mole Al(OH)₃
• 1 mole NaCl
• There are all the same

Tags

NGSS.HS-PS1-7

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 atoms are in 3.5 moles of arsenic atoms?

• 5.8 x 10^-24
• 7.5 x 10¹
• 2.1 x 10²⁴
• 1.7 x 10²³

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

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

How many atoms are in 6.3 mol Zn?

• 6.0x10²³atoms Zn
• 3.8x10²⁴atoms Zn
• 1.0x10^-23atoms Zn
• 410atoms Zn

How many Carbon Atoms are in 4.52 moles of Carbon?

• 6.02 x 10²³
• 1.33 x 10²³
• 4.52
• 2.72 x 10²⁴

Which conversion factor should be used for the following question " How many molecules are there in 4.00 moles of glucose, C₆H₁₂O₆? 

• 1 mole = 78.12 g
• 1 mole = 22.4 L 
• 1 mol = 6.02x 10²³ particles 
• more than one