25. Identify the major ionic species t present in an aqueous solution of KaSO D)

Question

25. Identify the major ionic species t present in an aqueous solution of KaSO D) 2K S,40 E) 2K, So. 26. Based on the solubility rules, which of the following compounds should be insol water? A) Na SO B) BaSO C) CuSO D) MgSO E) Rb:SO 27. The distinguishing characteristic of all electrolyte solutions is that they A) contain molecules. B) conduct electricity C) react with other solutions D) always contain acids. E) conduct heat. 28. Based on the solubility rules, which of the following should be soluble in water? A) CaSO B) BaSO4 C) PbsO E) AgCI 29. Identify the major ionic species present in an aqueous solution of CH l:Os (glucose) A) 6C, 12H, 60 B) 6C, 12H, 602 C) 6CH2*, 602. D) Co, 12 H+, 6 02 E) no ions are present

Explanation / Answer

25) K2SO4 ---> 2K+ + SO42-

The answer is E) 2K+, SO42-.

26) Some sulfate salts are insoluble. The answer is B) BaSO2.

27) Electrolyte solutions B) conduct electricity.

28) D) K2SO4 is soluble.

29) No ions are present in aqueous solution of C6H12O6. The answer is- E) no ions are present.

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