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The acid dissociation constant () for chloroacetic acid is at . Given an initial concentration, calculate the pH and the ratio of conjugate base to acid () at equilibrium. For each concentration, do the calculation both exactly using the quadratic equation and using the approximation that the extent of reaction is small compared to the initial concentration of acid.
initial concentrations:
a. 1.000 M
b. 0.500 M
c. 0.100 M
The acid dissociation constant () for chloroacetic acid is at . Given an initial concentration, calculate the pH and the ratio of conjugate base to acid () at equilibrium. For each concentration, do the calculation both exactly using the quadratic equation and using the approximation that the extent of reaction is small compared to the initial concentration of acid.
initial concentrations:
a. 1.000 M
b. 0.500 M
c. 0.100 M
Allen CorderoLv6
16 Jan 2021