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.
At an online discussion forum, you see the phrase in regards to the OP, I think that health care is going to be pivotal in this coming election. What does this OP expression mean? The original poster is the person who started a discussion thread, and OP is used to refer back to that person as the responses grow.