please explain

Three buffers are made by combining a 1M solution of acetic acid with a 1M solution of sodium acetate in the ratios shown below. Which statement is TRUE of the resulting buffers? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a pH of buffer 1pH of buffer 2>pH of buffer 3 d The problem cannot be solved without knowing the value of pKa None of the statements is true Your