In order for today\'s reactions to occur, they need a driving force. What chemic

Question

In order for today's reactions to occur, they need a driving force. What chemical processes can serve as said driving force? Identify the cation(s) and anion(s) present in solution when the following compounds are dissolved in water. Na_2 SO_4 HNO_3 Nickel Chloride Using the solubility rules from Table 21.1 of your lab manual, fill out the expected results in the chart below. Place a "P" in the box if you expect a precipitate to form, "G" if you expect a gas to form, and "NR" if you do not think a reaction will occur. If the product is slightly soluble put a "P*". Which of the following are weak electrolytes? HF, HCl, H_2 CO_3, H_3 PO_4, HNO_3

Explanation / Answer

2. Na2SO4 , Cation: Na+, Anion: SO4-2

   HNO3:   Cation: H+, anion: NO3-

Nickle chloride: NiCl2, cation: Ni+2, anion: Cl-

4. HCl, HNO3 are strong electrolytes and H3PO4, H2CO3 and HF are weak electrolytes

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