72. A mixture consisting of three volumes of Cl2 and one volume of H2 is left in a closed vessel in diffused light at a constant temperature. After some time, the Cl2 content in the mixture decreased by 20%. Has the pressure in the vessel changed? What is the percentage composition of the mixture by volume?

Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 72 from the collection: Glinka N.L. Problems and exercises in general chemistry. Textbook for universities / Ed. V.A. Rabinovich and Kh.M. Rubina. – 23rd ed., revised. – L.: Chemistry, 1985. – 264 p., ill. The solution is a document formatted in MS Word.
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