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?
a) solvent a was not a good mobile phase because it could not dissolve the ink.
b) solvent b was not a good mobile phase because it could not dissolve the ink.
c)the ink was a pure substance and dissolved in both solvents.
d) the ink was a mixture, but only in solvent a.