how to make 1 m tris ph 8?
['Weigh out 12.11 g Tris and add to a 100 mL Duran bottle.', 'Measure out 80 mL of distilled water and add to the Duran bottle.', 'Add a magnetic flea and place on a magnetic stirring plate to mix the solution.', 'Add a pH meter into the solution to observe the pH.']