What role does water play in the reaction involved in procedure no. 1? In a dry watch glass, mix a pinch of each crystal lead (II) acetate [Pb(C2H302)2] and potassium chromate (K2CrO4). pour the mixture on a piece of light green colored paper. Try to separate the crystals by agitating the mixture. Has there been an reaction? Return the crystals into the watch glass, Add distilled water and stir. observe.
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