99. Решение задачки по химии №009 901

4. Given the values of the standard redox potentials of two redox pairs, indicate in which direction the reaction proceeds between them. Write reaction equations in ionic-molecular and molecular forms. Determine the molar mass equivalents of the oxidizing agent and reducing agent. Calculate the equilibrium constant and evaluate the completeness of the reaction
SO42-|SO32- and Cr2O72- H | 2Cr3

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