Lab 1: Orientation/Check-In Turn into TA: (Signed) Safety Sheet, Pre-Labs Purchase of Safety Goggles Organize into Lab-Groups of Three Lab Orientation/Safety –Lab Operation Protocols –Safety Features –Lab Report Format Demo’s [ Balance, Mohr Pipet ] Check-In [ Locker #/combo, signed/TA ] Either Part A and B or Part B and then A.

Laboratory Orientation Instructors/TA/Stock-room Safety/Read Labs/Pre-Labs When in Doubt…Ask! Take note of Lab Intro’s Clean-up’s (Group/Bench responsibilities) & Sign-out’s Lab Report Format Group Contribution Form

Laboratory Safety Safety in the Chemistry Laboratory Safety Goggles & Protective Clothing Chemicals & Equipment Wastes Disposal & Water Hoods & Gloves Eye-Wash Fountains Fire Extinguishers & Emergency/Showers When in doubt…Call for Assistance!

Locker Check-In Locker # & combo’s [Note them and stick tape to sheet] Check through locker content Check off Sheet: Put extra’s in hood. Sign sheet Return sheet to TA/Instructor

Mass & Volume Mass Determinations: –Use two difference types of balances –Glass Stoppers, Rubber Stoppers, Wooden Corks –50 mL beakers (difference method) –Digital Electronic Balance(s) Demo Volumetric Glassware: [DO NOT need Soap Washings]  Pipette demo  Burette demo  Use 100-mL graduated cylinder instead of 25-mL  Use 10-mL pipette instead of 25-mL pipette