Fluoride ion selective electrodes use membranes made of lanthanum fluoride, LaF3. Write the chemical equation for the solubility equilibrium of LaF3 only dissociating one F- . Include the physical states of the species. This equilibrium represents what occurs at the membrane surface. LaF3(s) and LaF2 (s) represents the electrode and F-(aq) represents the analyte in solution.

Select the correct text in the passage. which sentences describe examples of sustainable living? i live in an old apartment building downtown, but my company is based in an office park on the outskirts of the city. i drive an old car that needs to be replaced. i plan to buy a hybrid for better gas mileage, but for now i am able to carpool with a couple of friends from work. the drive to the office park is about 45 minutes each way, but we do get to work in a modern building. the architects just received a leed certification for the design.

What three things determine the shape and size of a puddle when water is poured out onto a surface

In which situation can a mixture always be called a solution