Lab safety!. What do you do? How should you do it? What happens if you do it wrong?. What is the most important thing you should do to prepare for a lab? Why are appropriate clothing and shoes necessary for lab? What is the most important thing you should do if there’s an accident in lab?
What do you do?
How should you do it?
What happens if you do it wrong?
Why are appropriate clothing and shoes necessary for lab?
What is the most important thing you should do if there’s an accident in lab?
What is the proper way to dispose of materials in lab?Lab Safety
Materials: graduated cylinder, pipette, stock solutions, beaker
You are testing with a reagent (chemical indicator) and need a solution of 5mL hydrochloric acid and10mL water.
List SAFE steps for mixing this solution.
Materials: Erlenmeyer flask, unknown green solution
Describe proper & SAFE procedures for observing the solution.
Then, describe the best way to record the data. Last, describe how you might analyze the data?
Materials: 50mL graduated cylinder, 250mL beaker, pipette, test tube
Given the materials at your table, describe which of the equipment you would use and the SAFE procedure for adding 50mL to the test tube?
Materials: 50 mL graduated cylinder, 400mL beaker, test tube, test tube tongs, thermometer, hot plate, hot hands.
When heating glassware it gets hot!
Describe SAFEsteps for heating 30mL solutionto 60o Celsius. Include the proper handling of glassware before, during, and after heating
Materials: salt, scoopula, 400 mL beaker, glass stirring rod
You are supposed to dissolve salt in 200mL of water. Describe how you would SAFELYdo it given the equipment at your table
Materials: unknown solid, scoopula, weigh boat, balance
You are supposed to test an unknown solid and need a 75g sample. Describe how you would SAFELYhandle andmeasure it given the equipment at your table.
How to use a balance