Ni+2 + SCN- arrow Ni(SCN)+ A reaction flask initially contains 0.0006 Ni+2 and 0.00002 M SCN-....


{eq}Ni^{+2} + SCN^- \leftrightarrow Ni(SCN)^+ {/eq}

A reaction flask initially contains 0.0006 {eq}Ni^{+2} {/eq} and 0.00002 M {eq}SCN^- {/eq}. After equilibrium is reached, it is found that the concentration of {eq}Ni(SCN)^+ {/eq} is {eq}6.0 \times 10^{-6} {/eq} M. Complete an ICE box table.

RICE Table:

A RICE table is a systematic approach that is used to determine the equilibrium concentration of chemical species for a reaction that goes to equilibrium. It involves using the equilibrium constant K and the balanced chemical equation.

Answer and Explanation: 1

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The initial concentrations that must be placed on row I are:

  • {eq}\rm [ Ni^{2+} ] ~=~0.0006~M {/eq}
  • {eq}[ SCN^- ] ~=~0.00002~M{/eq}

The initial...

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Using a RICE Table in Equilibrium Calculations


Chapter 11 / Lesson 4

Learn what the RICE table is and how to fill in the table with the reaction, initial concentration, change in concentration and amount of product and reactants at equilibrium. Learn how to use the RICE table to calculate the concentrations and amounts and the equilibrium constant of equations at equilibrium.

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