Gas stochiometry:

prelab assignment (10 points) due at the begining of lab

purpose

compare the actual mass of Mg to the experimentally determined mass of Mg (in the above reaction)

materials

~15 mm Mg ribbon, ~ 20 mL 6 M HCl, water

eudiometer tube (measures the volume of a gas), thermometer, barometer, 2-hole stopper; pneumatic trough

beaker, ruler, thread (to secure Mg to stopper); balance

methods / data analysis

student design

 

Content of lab report [30 points]

introduction  [5 points]:  describe the calculations using equation / formula (); do not use actual values

experimental methods  [5 points]

data analysis  [15 points] : 

discussion  [5 points]

 

additional resources

table relating the partial pressure of water as a function of temperature

lab activity source (examples):  site 1  &  site 2  [access 4 / 2009