148. Calculate the percentage of dissolved substances for solutions containing: a) 1 mole of NH3 in 3 moles of water; b) 1/20 mole of KMnO4 in 200 g of water; c) 50 g H2SO4 in 50 moles of water.
Read the product description. After payment, the system will direct you to a page with a ready-made solution to problem 148 from the collection: Z. E. Golbreich, E. I. Maslov. Collection of problems and exercises in chemistry: Textbook. manual for chemical technology. specialist. universities - 5th ed., revised. and additional - M.: Higher School, 1997. - 384 p.: ill. The solution is a document formatted in MS Word.
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