142. How many grams of dissolved substance and how many grams of water are contained in: a) 250 g of 8% K2CO3 solution; b) in 400 g of 12% H2SO4 solution; c) in 750 g of 15% HCl solution; d) in 2.5 kg of 20% KOH solution; e) in 120 g of 6% NH3 solution?
Read the product description. After payment, the system will redirect you to a page with a ready-made solution to problem 142 from the collection: Z.E. Golbraykh, 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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