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In: Chemistry

Write the net ionic equations for the dissociation of each salt. 1. Pb(NO3)2 2. NaCl 3.Na3PO4...

Write the net ionic equations for the dissociation of each salt.

1. Pb(NO3)2

2. NaCl

3.Na3PO4

4. Na2CO3

5. NH4Cl

6. NaHCO3

7. CuSO4

Expert Solution

1.

When solid salt Pb(NO₃ )₂ dissolves, it dissociates into its constituent ions - Pb ²⁺ and NO₃ ^-. Since these ions go into solution, their state is (aq). The initial Pb(NO3)2 is solid.

Hence, the equation for its dissociation is :

Pb(NO₃ )₂ (s) = Pb ²⁺ (aq)+ 2 NO₃ ^- (aq)

Similarly, the others are written :

NaCl (s) = Na ⁺(aq) + Cl ^- (aq)

Na₃PO₄ (s) = 3 Na⁺ (aq)+ PO₄ ^3- (aq)

Na2CO3 ( s) = 2 Na+ (aq) + CO₃ ^2- (aq)

NH4Cl (s) = NH4 + (aq) + Cl - (aq)

NaHCO3 (s) = Na + (aq) + HCO3 - (aq)

CuSO4 (s) = Cu 2+ (aq) + SO4 2- (aq)

queen_honey_blossom answered 2 years ago

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