試題詳解

3. Which of the following statements about the activity coefficient is NOT TRUE?
(A) The activity coefficient decreases as ionic strength increases.
(B) The activity corrections are more significant for ions with higher charge.
(C) Activity coefficients approach zero when the ionic strength approaches zero.
(D) The smaller the ionic size, the larger the deviation from the concentration becomes.
(E) The activity of a neutral molecule is assumed to equal its concentration.