Homework Help: Chemistry

Posted by JEN on Saturday, August 18, 2012 at 5:55pm.

Why do you spot multiple times? Select one or more correct answers.
A. To fill the capillary almost instantly by capillary action.
B. So the developing chamber solvent does not evaporate.
C. The higher compound concentration facilitates visualization.
D. To acheive a high concentration of sample in a small spot.

Chemistry - DrBob222, Sunday, August 19, 2012 at 12:20am
See your post above.

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