Question

question 18 of 18 < points possible: 1.00 calculate the rf value for a spot in a tlc experiment if the solvent moved 14.1 cm and the spot moved 8.3 cm from the origin. type answer:

Explanation:

Step1: Recall Rf formula

The formula for the retention - factor ($R_f$) in thin - layer chromatography (TLC) is $R_f=\frac{\text{distance traveled by the spot}}{\text{distance traveled by the solvent}}$.

Step2: Substitute values

We are given that the distance traveled by the spot is $8.3$ cm and the distance traveled by the solvent is $14.1$ cm. So, $R_f=\frac{8.3}{14.1}$.

Step3: Calculate the value

$R_f\approx0.59$.

Answer:

$0.59$