Stacy runs a paper chromatography experiment using the same ink, but two different solvents. Using solvent A results in the ink separating into three bands, but solvent B does not carry the ink away from the original spot. Which of the following could explain the results?

Question 8 options:

Solvent B was not a good mobile phase because it could not dissolve the ink.

The ink was a pure substance and dissolved in both solvents.

The ink was a mixture, but only in solvent A.

Solvent A was not a good mobile phase because it could not dissolve the ink.

Question

Stacy runs a paper chromatography experiment using the same ink, but two different solvents. Using solvent A results in the ink separating into three bands, but solvent B does not carry the ink away from the original spot. Which of the following could explain the results?

Question 8 options:
	
Solvent B was not a good mobile phase because it could not dissolve the ink.
	
The ink was a pure substance and dissolved in both solvents.
	
The ink was a mixture, but only in solvent A.
	
Solvent A was not a good mobile phase because it could not dissolve the ink.

anonymous · Answer

thank you so much for helping me