  == Acid dissociation constant - re-written lead ==  I have now re-written the lead for acid dissociation constant. The essential content of the lead is the same as before. The effect of this change will be that when chemists will read the explanatory material they will say to themselves, yes, I know that, but non-chemists will hopefully get the gist of what the article is about  I invite you to read it and then record your  “vote”, e.g. “now support” or “still oppose”, at wp:Featured_article_candidates/Acid_dissociation_constant. I have assembled a list of names under Re-written lead, so that the responses will be collected together in one place.  Some minor disagreements will inevitably remain. These should not be a reason for opposition. Rather, put constructive ideas on the article’s talk page, so that the article can be further improved by the normal editing process.   