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.
exists and is an alternate of . Advanced Placement, or AP classes are high school classes that can qualify for college credit at most accredited American universities. The credit received depends on the policy of the accepting university, the grade received, and the grade received on a standardized test taken at the completion of the class. Pre-AP classes are advanced cirriculum middle school classes designed to prepare the students for the AP classes in high school.