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

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)

Tags

NGSS.HS-PS1-7

There are ______ number of molecules (atoms) of NaCl in one mole of NaCl?

• 6.02 x 10²³
• 1 mole
• 2
• Mr. Miller

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

Tags

NGSS.HS-PS1-7

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

How many moles of copper contain 1.45x10²¹ atoms of copper?

• 8.73x10⁴⁴
• 1.20x10²⁴
• 0.00241
• 1.45

How many water molecules are in 5.2 moles of water?

• 6.02 x 10²³
• 5.2
• 3.1304 x 10²⁴
• 8.638 x 10^-24

How many moles are in 3.01 x 10²² atoms of magnesium?

• 0.050 moles
• 1.81 x 10⁴⁶ moles
• 5.00 x 10²¹ moles
• 5.00 moles