CHEMISTRY NYB John Abbott College – Fall 2009
PRELAB EXERCISE Exp. 1
1. Bring your glasses and lab coat to the lab.
2. Bring the whole lab manual. Bring a duo tang to the lab, paper (not plastic) with three tabs
for three-holed paper.
3. Read Experiment 1 in your lab manual. Make sure you understand the purpose of the
4. State whether the following situations applying to your measurements will affect the
accuracy, the precision, neither, or both.
a) The balance that you use in Part I is incorrectly calibrated in the factory.
b) The balance that you use in Part II is located in a drafty part of th