Chemistry Class 11 NCERT Solutions: Chapter 7 Equilibrium Part 18

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Chemistry Class 11 NCERT Solutions Chapter 7 Equilibrium Part 18

Q: 49. Calculate the pH of the following solutions:

(A) Dissolved in water to give 2 litre of solution

(B) Dissolved in water to give 500 mL of solution

(C) Dissolved in water to give 200 mL of solution

(D) 1mL of 13.6 M HCl is diluted with water to give 1 litre of solution

Answer:

(A) For dissolved in water to give 2 L of solution

(B) For 0.3 g of dissolved in water to give 500 mL of solution:

(C) For 0.3 g of dissolved in water to give 200 mL of solution:

Then,

(D) For 1mL of 13.6 M HCl diluted with water to give 1 L of solution:

(Before dilution) (After dilution)

Q: 50. The degree of ionization of a bromoacetic acid solution is 0.132. Calculate the pH of the solution and the of bromoacetic acid

Answer:

Degree of ionization,

Concentration,

Thus, the concentration of

Now,