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.
When a bird or a cat preens, it smooths its feathers or cleans its fur. When you preen, you primp and pay careful attention to how you're dressed and groomed, as if you're inviting the whole world to watch you. You can also preen just by puffing yourself up and congratulating yourself for something. You've just landed your triple flip on the ski jump, and, as you swoosh to a stop at the foot of the hill and take off your skis, you preen as you make your way through the adoring crowd. Thesaurus Definitions of preen