Ch03 Resources
ch 3 blurb
OpenStax Chemistry Chapter 3: Composition of Substances and Solutions
3.1 Formula Mass and the Mole Concept
Calculate formula masses for covalent and ionic compounds [R]
Define the amount unit mole and the related quantity Avogadro’s number [R]
Explain the relation between mass, moles, and numbers of atoms or molecules, and perform calculations deriving these quantities from one another [R]
RESOURCES: Course video "Moles and Molar Mass"
3.2 Determining Empirical and Molecular Formulas
Compute the percent composition of a compound [R]
Determine the empirical formula of a compound [U]
Determine the molecular formula of a compound [U]
3.3 Molarity
Describe the fundamental properties of solutions [R]
Calculate solution concentrations using molarity [R]
Perform dilution calculations using the dilution equation [R]
RESOURCES: Course video "Concentrations"
3.4 Other Units for Solution Concentrations
Define the concentration units of mass percentage, volume percentage, mass-volume percentage, parts-per-million (ppm), and parts-per-billion (ppb) [R]
Perform computations relating a solution’s concentration and its components’ volumes and/or masses using these units [U]