
(a)
Interpretation:
The major species in the solution of 0.60 M HC3H5O3, lactic acid having Ka value 1.4×10-4 has to be stated.
Concept Introduction :
The Acids are proton donor and it dissociates into its constituent ions. The value of dissociation constant (Ka) signifies the number of ions liberated on dissociation.
(b)
Interpretation:
The ICE table for the dissociation of lactic has to be stated.
Concept Introduction :
The ICE table shows the data for the initial, change and equilibrium concentration of species dissociated from lactic acid.
(c)
Interpretation:
The equilibrium concentration of C3H5O3-has to be stated.
Concept Introduction :
The equilibrium constant for any general reaction can be given as-
(d)
Interpretation:
The pH of the solution has to be stated.
Concept Introduction:
The pH of the solution is given by the general formula that is-
[H+]: Concentration of Hydrogen ion.

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Chapter 7 Solutions
Chemical Principles
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