Moles and More #1

What do we call 6.02 x 10²³?

• Avogadro's Number
• Avocado Number
• A dozen
• Louis

How many molecules are in 2.5 moles of carbon dioxide

• 4.15x10²³
• 6.02x10²³
• 1.505x10²⁵
• 1.5x10²⁴

How many formula units does 5 moles of helium represent? 

• 8.31 x 10²⁴ units He
• 3.01 x 10^-24 units He
• 3.01 x 10²⁴ units He
• 8.31 x 10^-24 units He

A mole of potassium chloride contains 6.02 x 10²³ _____.

• atoms
• formula units
• ions
• molecules

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?

• 0.05 moles
• 1.81 x 10⁴⁶ moles
• 5.00 x 10²¹ moles
• 5.00 moles

How many molecules are in 9.44 moles of AlCl₃?

• 5.68 molec AlCl₃
• 5.68x10²⁴ molec AlCl₃
• 0.705 molec AlCl₃
• 1.25x10²³ molec AlCl₃

How many atoms are in 6.3 mol Zn?

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