Question

1. The sodium salt of propanoic acid, NaCH3CH2CO2, is used as an antifungal agent by veterinarians....

1. The sodium salt of propanoic acid, NaCH3CH2CO2, is used as an antifungal agent by veterinarians. Calculate the equilibrium concentrations of H3O+ and OH-, and the pH, for a solution of 0.35 M NaCH3CH2CO2.
Kb for CH3CH2CO2- is 7.7 × 10-10.

[H3O+] = --------------- M

[OH-] =----------------- M

pH =----------------------

2. Calculate the hydronium ion concentration and the pH when 35.0 mL of 0.75 M NH3 is mixed with 35.0 mL of 0.75 M (Ka = 5.6 * 10^-10 ).

Concentration --------------- M

pH-------------------------------

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