Chemistry - 1-Step Mole Conversions

This video tutorial covers mole conversions using dimensional analysis. It explains the importance of understanding molar mass and introduces key conversion factors: molar mass, Avogadro's number, and volume at STP. The tutorial provides examples of converting moles to grams, moles to molecules, and liters to moles, emphasizing the use of conversion factors and dimensional analysis.

What is the process called that is used to convert moles to other units?

• Factor analysis

• Unit transformation

• Molar conversion

• Dimensional analysis

Which of the following is NOT a conversion factor for moles?

• 1 mole = molar mass in grams

• 1 mole = 100 grams

• 1 mole = 6.02 * 10^23 particles

• 1 mole = 22.4 liters

How many grams are in 5 moles of Na, given the molar mass is 22.99 g/mol?

• 113.95 grams

• 116.95 grams

• 115.95 grams

• 114.95 grams

What is the molar mass of sodium (Na) used in the example?

• 21.99 g/mol

• 24.99 g/mol

• 22.99 g/mol

• 23.99 g/mol

How many molecules are in 3.19 moles of Co using Avogadro's number?

• 1.92 * 10^24 molecules

• 1.82 * 10^24 molecules

• 1.72 * 10^24 molecules

• 1.62 * 10^24 molecules

What is the conversion factor for moles to liters at STP?

• 1 mole = 22.4 liters

• 1 mole = 20.4 liters

• 1 mole = 24.4 liters

• 1 mole = 18.4 liters

If you have 4.15 liters of H2 gas at STP, how many moles do you have?

• 0.19 moles

• 0.49 moles

• 0.39 moles

• 0.29 moles