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.

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

Calculate the ratio of h+ ions to oh– ions at a ph = 7. find the concentration of h+ ions to oh– ions listed in table b of your student guide. then divide the h+ concentration by the oh– concentration. record this calculated ratio in table a of your student guide. compare your approximated and calculated ratios of h+ ions to oh– ions at a ph = 7. are they the same? why or why not? record your comparison in table a. what is the concentration of h+ ions at a ph = 7? mol/l what is the concentration of oh– ions at a ph = 7? mol/l what is the ratio of h+ ions to oh– ions at a ph = 7? : 1

How does the viscosity of magma change as magma cools?