{"knowledge_schema": {"broad_category": "Chemistry \u2192 Coordination Chemistry \u2192 Complex Formation", "refinement": "This problem involves calculating the distribution of cobalt(II) species in solution based on stability constants of thiocyanato complexes.", "specific_scope": "The focus is on determining the percentage of the blue dithiocyanato cobalt(II) complex among all cobalt species in a solution with given concentrations and stability constants.", "goal": "Calculate the percentage of the blue dithiocyanato cobalt(II) complex relative to the total cobalt species present in the solution."}, "summary": "This problem is rooted in coordination chemistry, specifically the formation of complexes between cobalt(II) ions and thiocyanate ions. It requires calculating the distribution of various cobalt species based on their stability constants and concentrations. The goal is to find the percentage of the blue dithiocyanato cobalt(II) complex in relation to the total cobalt species in the solution. The answer is determined to be 16.9%."}