Problem: Consider the reaction A + 2B → C where [A]0, [B]0, and [C]0 are initial concentrations and x is the extent of the reaction at some time t. What will be the concentration of B at time t??A. [B]t = [B]0 + 2xB. [B]t = [B]0 – 2xC. [B]t = [B]0D. [B]t = [B]0 + xE. [B]t = [B]0 – x

FREE Expert Solution

 We’re being asked to determine the concentration of B at time, t, for the reaction below:

A + 2B → C

The extent of reactionis usually measured by the equilibrium constant for the reaction. We’re given the initial concentrations of the reactants and products and the extent of the reaction:

Initial concentrations:

A = [A]0 
B = [B]0 
C = [C]0 
Extent of reaction = x

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Problem Details

Consider the reaction A + 2B → C where [A]0, [B]0, and [C]0 are initial concentrations and x is the extent of the reaction at some time t. What will be the concentration of B at time t??

A. [B]t = [B]0 + 2x

B. [B]t = [B]0 – 2x

C. [B]t = [B]0

D. [B]t = [B]0 + x

E. [B]= [B]0 – x

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