Schedule of Chemistry 103.1 Laboratory Experiments

Wk 1: Lab group formation, material collection, safety discussion

Experiment on the density of solids. Pg1-3

Wk 2: Introduction to graphing techniques

Manually and computer generated graphs of experimental density data.

Wk 3: Lecture problem set

Wk 4: Discussion on the experimental method for the determination of the formula of an unknown salt. Job problem set and demonstration of filtration technique. Pg 5-8

Wk 5: Determination of the formula of a salt.

Wk 6&7: Standardization of a sodium hydroxide solution using oxalic acid dihydrate and potassium hydrogen phthalate. Pg 21-26

Wk 8: Acid-base titration of a KHP unknown.

Wk 9&10: Calorimetry; Enthalpy of neutralization of ammonia. Enthalpy of solution of ammonium salts. Pg 9-20

Wk 11: Introduction to spectroscopy, Discussion and problem set. Pg 35-9

Wk 12: Spectrophotometric determination of iron in vitamin tablets; (part 1) standard curve for Fe³⁺. Pg 40-45

Wk 13:( part 2) determination of the iron content in an unknown tablet.

Wk 14: PC model assignment. Pg 27-33

Grading Scheme

Density/graphing 15 %

Formula 15 %

Titration 25 %

Calorimetry 15 %

Spectroscopy 20 %

PC Model 10 %

Your total lab grade will count toward 15% of the 103.1 grade.

Attendance is mandatory! 2 or more unexcused absences from the lab will lead to your being dropped from the course.

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