NaOH + Na2HPO4 --> Na3PO4 + H2O (aka tribasic sodium phosphate) Of course, once all the hydrogen is consumed there is no further reaction with sodium hydroxide. In general, adding sodium hydroxide to a solution of any of the sodium phosphates will change the pH.
Preoperative care. (Redirected from Pre-op) Preoperative care refers to health care provided before a surgical operation. The aim of preoperative care is to do whatever is right to increase the success of the surgery. At some point before the surgery the health care provider will assess the fitness of the person to have surgery.
Front Page. Pre-professional is a category for students who intend to enter a professional school after graduating with their bachelorâs degrees. 1  Pre-health for those interested in the health professions, including dentistry, medicine, optometry, pharmacy, physical therapy, and veterinary medicine.re-professional is a category for students who intend to enter a professional school after graduating with their bachelorâs degrees.