Chemistry · Challenge

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Live relationshipRf=dsolutedsolventR_f = \frac{d_{solute}}{d_{solvent}}
Separation strip. Solute distance at 8.1 cm. Solute distance 8.1 cm, R_f × solvent front 3.57 cm. Currently solute distance is over by 4.53 cm.SEPARATION STRIPTUNING8.1 cmR_F × SOLVENT FRONTSOLUTE DISTANCE8.1 CM
t = 0.0s

Solute distance

8.1cm

R_f × solvent front

3.57cm

8.1 cm

Separation strip. Solute distance at 8.1 cm. Solute distance 8.1 cm, R_f × solvent front 3.57 cm. Currently solute distance is over by 4.53 cm.

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You take control of a forensic lab matching ink from a disputed document.

The reference dye has an R_f of 0.42. The solvent front travelled 8.5 cm, and the logged solute distance does not match.