Statements:
(1) The terms proton and hydrogen ion are used interchangeably in acid-base discussions.
(2) Some hydroxide ion is present in all acidic solutions.
(3) The two active species in a buffer are a strong acid and its conjugate base.
(A) All three statements are true.
(B) Two of the three statements are true.
(C) Only one of the statements is true.
(D) None of the statements is true.
