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-op transsexual person is someone who hasn't undergone sexual reassignment surgery. They still have the genitals they were wrongly born with. Post-op is after the reassignment surgery (they now have the parts of the sex opposite to what they were declared at birth). + 118 others found this useful.