TLC is useful for: Determining how many components are in a mixture All answers are correct Determining if a compound is likely pure Comparing a known to an unknown sample Question 6 0/1 pts In TLC plate shown, which sample appears to be the purest in compound Z? Y 1 2 3 4 4 et Question 7 0/1 pts In TLC plate shown, which two compounds are best separated? 2 4 Question 8 0/1 pts Compound Y has an Rf value of: Y 1 2 3 4 0.25 0.5 0.75 4.0