[SOLVED] Equilibrium and Highest [A] Relevant equation Consider the following equilibria in 0.10 moldm−3 carbonic acid. (In attachment) Which species is present in the highest concentration? A. H2CO3 (aq) B. H+(aq) C. H(CO3)− (aq) D. (CO3)2− (aq) The attempt at a solution The right answer is A but I would think that B would be the right answer because as carbonic acid includes 2 H+ cations so doubling their concentration. Please, say your comment on this problem, why only A is right. Thank you in advance!