The p K a of lactic acid is 3.86 , and its conjugate base is lactate. Which form of lactic acid predominates at pH 7.4 ?

Calculate the mass percent of hydrogen in methyl acetate

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

What is the equilibrium constant of aa+bb=cc+dd