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1)What is the pH of a 0.143 M aqueous solution of potassium acetate, KCH3COO? This solution...

1)What is the pH of a 0.143 M aqueous solution of potassium acetate, KCH3COO? This solution is acidic, basic or neutral?

2)What is the pH of a 0.124 M aqueous solution of ammonium perchlorate, NH4ClO4 ? This solution is acidic, basic or neutral?

3)The substance phenol (C6H5OH) is a weak acid (Ka = 1.0×10-10). What is the pH of a 0.238 M aqueous solution of potassium phenoxide, KC6H5O? The soluton is acidic, basic or neutral?

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