Answer:
Conditioning two or three times will insure that the concentration of titrant is not changed by a stray drop of water.
Explanation:
"Check the tip of the buret for an air bubble. To remove an air bubble, whack the side of the buret tip while solution is flowing".
The same as alittle molecule but it would be in a mase quantity...
I just took a test with this question and got the answer wrong for saying ethane. The correct answer is propane.