This is what we use: This is the result if you need it: Table 6: 2. Based upon y

Question

This is what we use: This is the result if you need it:
Table 6: 2. Based upon your experimental results, the data in Table 6, and the tests described in the Background Table 6, and the tests Information: (1) What can you conclude about the water solubility of most salts conta , ion? Briefly of most salts containing NO explain. (2) What two solutions could you mix together to determine whether mercury() chloride (Hg Clh) is water soluble? Briefly explain the basis of your choice. (3) Assuming that Hg.Clh is not water soluble, write the total and the net ionic equation for the reaction in (2). l equation, the complete ionic equation, total equation: complete ionic equation: net ionic equation

Explanation / Answer

1.) All the salts containing NO3- are water soluble.

The reaction between A (KIO3) and C (Cu(NO3)2) gave clear blue solution

KIO3 (aq) + Cu(NO3)2 (aq) -------> CuIO3 (aq) blue colored + KNO3 (aq)

The solution after reaction remained clear which means that there was no precipitaion and hence NO3- salts are soluble in water.

The reaction between B (BaCl2) and C(Cu(NO3)2) gave clear blue solution

BaCl2 (aq) + Cu(NO3)2 (aq) -----> CuCl2 (aq) blue colored + Ba(NO3)2 (aq)

The solution after reaction remained clear which means that there was no precipitaion and hence NO3- salts are soluble in water.

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2.) To decide if Hg2Cl2 is water soluble, we need to select the compounds having Hg22+ as cation or Cl- as counter anion in the other reacting species. Both the compounds used initially must be water soluble.

Hg2(NO3)2 (aq) + BaCl2 (aq) ----------------> Hg2Cl2 + Ba(NO3)2 (aq)

If the resulting solution is cloudy with a precipitate we can decide that Hg2Cl2 is water insoluble. If the solution remains clear even after reaction, we can say that Hg2Cl2 is water soluble.

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3) Total equation: Hg2(NO3)2 (aq) + BaCl2 (aq) ----------------> Hg2Cl2 (s) + Ba(NO3)2 (aq)

Complete ionic equation: Hg22+ (aq) + 2NO3- (aq) + Ba2+(aq) +2 Cl- (aq) ----> Hg2Cl2 (s) +  Ba2+(aq) + 2NO3- (aq)

Net ionic equation: Hg22+ (aq) + 2 Cl- (aq) ----> Hg2Cl2 (s)

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