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If the solvent front moves 8.0 cm and the two components in a sample being analyzed move 3.2 cm and 6.1 cm from the baseline, calculate the Rf values.

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Answer:

  • Rf₁ = 0.40
  • Rf₂ = 0.76

Explanation:

We can calculate the Rf values by using the following formula:

Rf = Distance from the baseline / Solvent front distance

With that in mind we now proceed to calculate the Rf value for both components:

  • Rf₁ = 3.2 cm / 8.0 cm = 0.40
  • Rf₂ = 6.1 cm / 8.0 cm = 0.76

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