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Question:
Determine the solubilities of silver chromate, barium chromate, ferric hydroxide, lead chloride and mercurous iodide at 298K from their solubility product constants given in Table 7.9. Determine also the molarities of individual ions.
Answer:

(1) Silver chromate:

image407 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Let the solubility of image408 NCERT Solutions class-11 Chemistry Equilibrium Part-3 be s.

image409 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Molarity of image410 NCERT Solutions class-11 Chemistry Equilibrium Part-3 = 2s = image411 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Molarity of image412 NCERT Solutions class-11 Chemistry Equilibrium Part-3 = s = image413 NCERT Solutions class-11 Chemistry Equilibrium Part-3M

(2) Barium chromate:

image414 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Let s be the solubility of image415 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Thus, image416 NCERT Solutions class-11 Chemistry Equilibrium Part-3 = s and image417 NCERT Solutions class-11 Chemistry Equilibrium Part-3 = s

image418 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Molarity of image419 NCERT Solutions class-11 Chemistry Equilibrium Part-3 = Molarity of image420 NCERT Solutions class-11 Chemistry Equilibrium Part-3

(3) Ferric hydroxide:

image421 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Let s be the solubility of image422 NCERT Solutions class-11 Chemistry Equilibrium Part-3

image423 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Molarity of image424 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Molarity of image425 NCERT Solutions class-11 Chemistry Equilibrium Part-3

(4) Lead chloride:

image426 NCERT Solutions class-11 Chemistry Equilibrium Part-3

Let image427 NCERT Solutions class-11 Chemistry Equilibrium Part-3 be the solubility of image428 NCERT Solutions class-11 Chemistry Equilibrium Part-3

image429 NCERT Solutions class-11 Chemistry Equilibrium Part-3

(5) Mercurous iodide:-

image430 NCERT Solutions class-11 Chemistry Equilibrium Part-3


68. The solubility produc

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