7Chemistry Lab Drawer Micro Spatula and Scoopula Used for measuring small amounts of chemicals.Never stick these directly into a bottle of chemicals.You can contaminate the entire bottle.
8Chemistry Lab DrawerWash bottle. Use this for “rinsing” chemicals into your reaction vessel.
9Chemistry Lab Drawer Graduated Cylinder Use these to accurately measure liquids in lab. Never use beakers to measure.The answer on the SOL to is always GRADUATED CYLINDER.3rd got to here.
10Volumes.We will work with liters (L) and milliliters (mL) in this class.1000 mL = 1L.Cubic centimeters (cm3) and milliliters (mL) are different names for the same amount. 1 mL = 1 cm3.1 drop from a dropper is approximately 0.05 mL. So, 20 drops = 1 mL.
20Bunsen Burner Safety 1. Never walk away from a lit burner. 2. Never leave the gas turned on while the burner is NOT lit.3. Never leave a test tube in the flame while heating.4. Never point a test tube at someone else while heating.Made it to here in 1st period!
21Chemistry Lab Drawer Wire Gauze with Ceramic Center Use this for heating beakers or flasks.
23NEVER use your mouth to pipet. Chemistry Lab DrawerPipets and Pipet bulbNEVER use your mouth to pipet.
24PipetsUsed for transferring solutions to a reaction vessel. Transfer pipets are used when accuracy isn’t absolutely necessary.Volumetric pipets are calibrated to deliver an exact amount. Used when that is an important factor in your experiment.
26Volumetric FlasksUsed for making very accurate concentrations of solutions.Beakers/Flasks—accurate to about 5% (50,000 ppm)Graduated cylinder—accurate to about 1% (10,000 ppm)Volumetric Flasks—accurate about 0.04% (400 ppm)
27Chemistry Lab DrawerBuret on ring standUsed for titrations.