5/5 points |
The following statements concern techniques involving volumetric glassware used in the Titration Curves
experiment. Choose the correct phrase to complete each statement.
(a) When working with a volumetric pipet, one adjusts the liquid level
(b) When draining the pipet,
(c) It is good practice to "condition" a pipet before using it by
pH 10.00 buffer
pH 4.00 buffer
potassium hydrogen phthalate
so the top of the meniscus is at the scribed line on the pipet.
so the pipet is completely filled with liquid
so the meniscus is at the top of the widened "bubble" in the middle of the pipet.
so the bottom of the meniscus is at the scribed line on the pipet.
one drains the liquid and uses the pipet bulb to blow out any remaining liquid.
one allows the liquid to flow out with gravity, then touches the pipet tip to receiving
vessel to remove the last drop.