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.
Pre-operative adjective Referring to the logistics of preparing for a surgical procedure/operation. See Pre-op time noun. 1. A popular term for all forms of careâeg, medication provided to a Pt prior to a surgical intervention.
What Is A Pre-Existing Condition? A pre-existing condition is a disease, a problem that your pet may be suffering from, or showing symptoms of, before purchasing an insurance policy. A condition that may surface or be diagnosed during the waiting period, usually one year from the date of signing up, is also considered a pre-existing condition.