Lactic acid is a common by-product of cellular respiration and is often said to cause the burn associated with strenuous activity. A 25.0-mL sample of 0.100 M lactic acid (HC3H5O3, pKa 3.86) is titrated with 0.100 M NaOH solution. Calculate the pH after the addition of 0.0 mL, 4.0 mL, 8.0 mL, 12.5 mL, 20.0 mL, 24.0 mL, 24.5 mL, 24.9 mL, 25.0 mL, 25.1 mL, 26.0 mL, 28.0 mL, and 30.0 mL of the NaOH. Plot the results of your calculations as pH versus milliliters of NaOH added.
***do not need section 9.5*** This is all we need to know for chapter 9 Behavior of Gases: One way to describe gases is by density Gas particles are relatively far apart Gas particles move rapidly Gas particles have no effect when the collie, they just bounce off each other Gases expand to fill their containers All gases expand when heated Cool gas has greater density Volume goes up as pressure of gas goes up Pressure goes up as you add more particles Pressure (P) is the amount of force applied per unit area: Pressure (P) = force/area Pressure Exerted by gas particles: Pressure (P)= force of gas particles/area of container Exam covers: end of cha 6, 7, 8, begging of chapter 9
