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.
A pre-existing condition is any condition for which you have had symptoms or services provided before the effective date on the plan. You must consult your Student Health & Accident brochure or Plan Document to see if there is a clause that limits the coverage of pre-existing conditions.