Conc. HCl %, 10, 10, 25, 25, 37. Conc. CuCl2 %, 0.05, 1.5, 0.05, 0.05, 0.05. Temp. °C, 80, BP, 25, 50, 25. Hydrochloric acid, HCl + copper chloride, ...
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