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

Question:

{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:


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

from Chemistry 101: General Chemistry

Chapter 11 / Lesson 4
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