Question

Ph of 1M ch3coona solution in water will be nearly?

Answer 1

Answer:

CH

3

COONa is a salt of weak acid CH

3

COOH and strong base NaOH .This is the case of salt hydrolysis.

pH = 7 +

2

1

pKa +

2

1

(logc)

pH = 7 +

2

1

×4.74 +

2

1

(log(0.01))

pH = 7 + 2.37 - 1 = 9.37 - 1 = 8.37