Understanding Mole Island and Conversions

What is the central unit in chemistry that can be converted to grams, liters, and particles?

• Moles

• Atoms

• Grams

• Liters

Which number is associated with particles in mole conversions?

• 58.4

• 22.4

• 16.0

• 6.02 x 10^23

To convert moles to grams, you need to multiply by:

• Atomic number

• Avogadro's number

• Molar volume

• Molar mass

What is the molar mass of NaCl used in the conversion example?

• 6.02 x 10^23

• 22.4

• 16.0

• 58.4

How do you convert liters to moles at STP?

• Multiply by molar mass

• Add atomic masses

• Multiply by Avogadro's number

• Divide by 22.4

What is the result of converting 78.5 liters of O2 to moles?

• 2.50 moles

• 4.00 moles

• 5.00 moles

• 3.50 moles

To convert moles to particles, you multiply by:

• Avogadro's number

• Molar volume

• Molar mass

• Atomic number

What is the scientific notation result for converting 0.005 moles of AgCl to formula units?

• 5.02 x 10^22

• 3.01 x 10^21

• 2.01 x 10^23

• 1.01 x 10^20

What is the first step in converting grams to liters in a two-step process?

• Multiply by molar volume

• Divide by molar mass

• Multiply by Avogadro's number

• Add atomic masses

What is the final volume of CH4 when converting 58.9 grams to liters?

• 82.5 liters

• 75.0 liters

• 90.0 liters

• 70.5 liters