Pipetting �Quiz�

							Pipetting “Quiz”                                            Name:_______________________________

Fill in the blanks indicating the correct number of microliters to be transferred with the micropipettor.
Follow each step precisely and record the color of the solution obtained after each step. Goggles must be
worn during this activity, and you must be standing at your lab table so that no chemicals can spill into
your lap.

                                          Step                                                  Color

1. Transfer 10.00 mL of tap water into a large test tube.

2. Add 0.40 mL ( = _______L) of commercially produced Bromthymol Blue indicator
   solution. Swirl.

3. Add 0.25 mL ( = _______L) of a 0.16 M KOH solution. Swirl.

4. Add 0.0133 mL ( = _______L) of 3 M HCl solution. Swirl.

5. Finally, add 0.100 mL ( = _______L) of 3 M HCl. Swirl.




Pipetting “Quiz”                                            Name:_______________________________

Fill in the blanks indicating the correct number of microliters to be transferred with the micropipettor.
Follow each step precisely and record the color of the solution obtained after each step. Goggles must be
worn during this activity, and you must be standing at your lab table so that no chemicals can spill into
your lap.

                                          Step                                                  Color

1. Transfer 10.00 mL of tap water into a large test tube.

2. Add 0.40 mL ( = _______L) of commercially produced Bromthymol Blue indicator
   solution. Swirl.

3. Add 0.25 mL ( = _______L) of a 0.16 M KOH solution. Swirl.

4. Add 0.0133 mL ( = _______L) of 3 M HCl solution. Swirl.

5. Finally, add 0.100 mL ( = _______L) of 3 M HCl. Swirl.