Check-In Quiz 4

Exams are spaced roughly 1 month apart in this course. Check-In Quizzes were written to cover the material between each exam as a sort of road marker between major assessments. While these quizzes are not graded or collected, they can be used as mini-exams to test your self half way through a unit. Think of it as an informal way to check your understanding halc way through to the next exam. 

 

Download Check-In Quiz 4 (Fall 2013)

+ Download ANSWER KEY

Download Check-In Quiz 4 (Fall 2014)

+ Download ANSWER KEY

 

 

  • Solutions:
    • Understand the difference between the solute, solvent, and solution
    • Understand how different solutes affect the electrical conductivity of the solution
      • Most ionic compounds are strong electrolytes which conduct electricity in solution
      • Most covalent compounds are NON-electrolytices which do not significantly conduct electricity in solution
  • Concentrations:
    • Be able to calculate the concentration of a solute in units of:
      • Molarity (moles/L)
      • Mass Percent
      • Parts per million (ppm)
        • The equations for these calculations will be provided but you must know how to use them
    • Be able to solve for the total quantity of the solute based on the concentration and volume of solution provided
    • Be able to use the dilution equation (M1V1=M2V2) to understand how concentration changes and volume changes
  • Solution Stoichiometry:
    • Provided the concentration in molarity and volume in liters, find the moles of a reactant or product and use this as in an other stoichometry problem
    • Based on the moles of one reactant, solve for the moles of another reactant, then use this quantity in combination with volume to find concentration