641. Calculate the equivalent mass of H2SO4 in the following reactions:

a) Zn+H2SO4 (diluted)=ZnSO4+H2

b) 2HBr+H2SO4 (conc.)=Br2+SO2+2H2O

c) 8HI+H2SO4 (conc.)=4I2+H2S+4H2O

Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 641 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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