The structure of benzoic acid is shown below. OH pka = 4.2 If one chose to recrystallize this compound from water would pH make a difference in the effectiveness of the recrystallization. Explain using words and pictures.

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later

D. is the answer hope that you