2. When the following solutions are mixed together, what precipitate (if any) wi

Question

2. When the following solutions are mixed together, what precipitate (if any) will form? a. FeSO4(aq) + KCl(a) b. Al(NO)s(aq) Ba(OH)2(aq) c. CaCl2(a) +Na2SO44aq) d. K2S(aq) +Ni(NO3)2(aq) e. Hg2(NO3)2(a) CuSO4(aq) f. Ni(NO3)2(aq)+ CaCl2(aq) 3. For each of the following reactions, write the formula equation, the complete ionic equation, and the net ionic equation. a. Aqueous potassium chloride is added to aqueous silver nitrate to form a silver chloride precipitate plus aqueous potassium nitrate b. Aqueous potassium hydroxide is mixed with aqueous iron(III) nitrate to form a precipitate of iron(III) hydroxide and aqueous potassium nitrate 4. Aluminum ions react with carbonate ions to form an insoluble compound, aluminum carbonate a. Write the net ionic equation for this reaction. b. What is the molarity of a solution of aluminum chloride if 20.0 mL is required to

Explanation / Answer

2 .ans:-

(a)FeSO4(aq) + 2KCl (aq) -------> K2SO4(aq) + FeCl2(aq)

No ppt. formed, because both K2SO4 ans FeCl2 are soluble in water.

(b) 2Al(NO3)3(aq) + 3Ba(OH)2(aq) ------->3Ba(NO3)2(aq) + 2Al(OH)3(s)

ppt. of Al(OH)3 formed, because it is insoluble in water.

(c) CaCl2(aq) + Na2SO4 (aq)--------> 2NaCl(aq) + CaSO4(s)

ppt. of CaSO4 formed , because it is insoluble in water.

(d) K2S(aq) + Ni(NO3)2(aq)------->2 KNO3(aq) + NiS(s)

ppt. of NiS for, because NiS is insoluble in water.

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