Cobalt chloride silica gel10/2/2023 ![]() A violet-coloured solution should be formed. ![]() Make the pink cobalt chloride solution up to 100 cm 3 with 60 cm 3 concentrated hydrochloric acid from a measuring cylinder.A reddish-pink, approximately 0.4 M solution will be formed, which should be labelled as TOXIC. Dissolve about 4 g of cobalt(II) chloride-6-water in 40 cm 3 of water in a beaker.Boil a beaker of water and prepare a beaker of crushed ice and water. ![]()
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