In: Chemistry
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 Determine the pH of each of the following solutions.  | 
 Part A 0.25 M KCHO2 (Ka for HCHO2 is 1.8×10−4) Express your answer to two decimal places. 
 Part B 0.18 M CH3NH3I (Kb for CH3NH2 is 4.4×10−4) Express your answer to two decimal places. 
 Part C 0.15 M KI Express your answer to two decimal places. 
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