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Calculate the pH of each of the following solutions.? (a) 0.100 M propanoic acid (HC3H5O2, Ka = 1.3 x 10^-5) (b) 0.100 M sodium propanoate (NaC3H5O2) (c) pure H2O (d) 0.100 M HC3H5O2 and 0.100 M NaC3H5O2 Calculate the pH after 0.029 mol HCl is added to 1.00 L of each of the four solutions.

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