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Thanks everyone who replied, and thanks especially to AnimeX, that explanation was really helpful! :spin:

Hi guys, I'm just doing the 2010 paper for exam practice and I'm completely stuck on multiple choice question 18: Chromate and dichromate ions form an equilibrium according to the following equation. 2CrO42−(aq) + 2H+(aq) --> Cr2O72−(aq) + H2O(l) Which solution would increase the...