B theselectivityfactor c

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Unformatted text preview: or each answer, ‐0.25 for sig figs ⎛ VM ⎞ t R − tM ⎛ VM ⎞ ⎛ 1.37 ⎞ ⎜ ⎟ = k⎜ ⎟ = k⎜ ⎟ = 8.35k tM ⎝ VS ⎠ ⎝ 0.164 ⎠ ⎝ VS ⎠ for A: K = 8.35 ( 0.74 ) = 6.2 for B: K = 8.35 ( 3.3) = 28 K= for C: K = 8.35 ( 3.5 ) = 29 for D: K = 8.35 ( 6.0 ) = 50 3. (14 points, Skoog 26‐16) From the data in Problem 1 (Skoog 26‐14), calculate for species B and C a) the resolution. b) the selectivity factor α. c) the length of column necessary to separate the two species with a resolution of 1.5. d) the time required to separate the two species on the column in part (c). (a) 2 points for setup, 1 point for answer, ‐0.5 for sig figs 2 ⎡ ( t R )C − ( t R ) B ⎤ ⎦ Rs = ⎣ WC +...
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This note was uploaded on 02/05/2013 for the course CHEM 420 taught by Professor Kelleher during the Spring '08 term at University of Illinois, Urbana Champaign.

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