For a given triprotic acid h3a, which of its pka values usually will be the largest?.

consider the reaction below.

 no rx

at 500 k, the reaction is at equilibrium with the following concentrations.

[pci5]= 0.0095 m

[pci3] = 0.020

[ci2] = 0.020 m

what is the equilibrium constant for the given reaction?

0.042

0.42

2.4

24

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.