Unformatted text preview: leaving the red 4 multiplier out, while the 11 am class may not have yelled loud enough about the omission to catch my attention!]. ≈ x (0.05 – x) (6.0) 4 So: x/(64.8 – 1296x) = 2.5x10 − 4 x = 0.0162 – 0.324x 1.324x = 0.0162, so x = 0.0122 Now use x to calculate the equilibrium concentrations in the “ICE” table above: [Co(H 2 O)6 2+ ] = 0.038 M, [Cl − ] = 5.95 M, and [CoCl 4 2 − ] = 0.012 M ( l )...
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 Fall '08
 NITSCHE
 Approximation

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