Molar Mass and Atomic Conversion

The video tutorial covers dimensional analysis in chemistry, focusing on single, two-step, and multi-step conversions. It provides detailed examples using glucose and aluminum sulfite to demonstrate the process of converting between grams, moles, and atoms. The tutorial emphasizes the importance of using Avogadro's number and molar mass in these calculations. A practice problem is included to reinforce learning.

What is the first step in multi-step dimensional analysis?

• Convert to molecules

• Convert to atoms

• Convert to moles

• Convert to grams

In the conversion process, what is the molar mass of glucose used?

• 200.18 g/mol

• 180.18 g/mol

• 160.18 g/mol

• 150.18 g/mol

How many carbon atoms are present in one mole of glucose?

• 7

• 4

• 5

• 6

What is the final result of converting 16 grams of glucose to carbon atoms?

• 3.21 x 10^23 atoms

• 2.21 x 10^23 atoms

• 4.21 x 10^23 atoms

• 5.21 x 10^23 atoms

What is the chemical formula for aluminum sulfite?

• Al2(SO3)3

• Al2(SO4)3

• Al2(SO2)3

• Al2O3

What is the first step in converting atoms of aluminum to grams of aluminum sulfite?

• Convert to molecules

• Convert to moles

• Convert to grams

• Convert to liters

What is Avogadro's number used for in these conversions?

• Converting atoms to grams

• Converting moles to atoms

• Converting molecules to moles

• Converting grams to moles

How many moles of aluminum are in one mole of aluminum sulfite?

• 4

• 3

• 2

• 1

What is the molar mass of aluminum sulfite used in the conversion?

• 294.17 g/mol

• 200.17 g/mol

• 250.17 g/mol

• 300.17 g/mol

What is the final mass of aluminum sulfite for 4.55 x 10^23 atoms of aluminum?

• 13 g

• 12 g

• 10 g

• 11 g