Mole Conversions Explained

What is the primary concept that dimensional analysis shares with previous unit conversions?

• Use of a skeleton structure

• Inclusion of temperature measurements

• Focus on chemical reactions

• Application to physics only

How many meters are there in 5 kilometers, based on the conversion factor discussed?

• 50 meters

• 5000 meters

• 500 meters

• 50000 meters

What unit is used on top when converting cookies to dozens?

• Cookies

• Dozens

• Batches

• Boxes

What is Avogadro's number used to represent in moles?

• Density of a compound

• Mass of substance

• Volume of gas

• Number of particles

At STP, how many liters of gas does one mole occupy?

• 100 liters

• 10 liters

• 22.4 liters

• 50 liters

What is the molar mass of silver used in the example?

• 1000 grams per mole

• 1.0787 grams per mole

• 10.787 grams per mole

• 107.87 grams per mole

How many moles of silver are there in 25.5 grams?

• 0.2364 moles

• 23.64 moles

• 0.02364 moles

• 2.364 moles

In a single-step problem involving moles and volume at STP, what is the volume occupied by 5.25 moles of CO2?

• 117.6 liters

• 11.76 liters

• 1176 liters

• 1.176 liters

When converting grams to atoms in a two-step problem, what intermediate unit must you convert to first?

• Liters

• Molecules

• Moles

• Particles

How many atoms are in 55.2 grams of LiCl2, based on the calculations provided?

• 427 x 10^23 atoms

• 4.27 x 10^23 atoms

• 0.427 x 10^23 atoms

• 42.7 x 10^23 atoms