1. Calculate the pH of a solution of 0.2M acetic acid and 0.35M acetate ion. The pk of acetic acid is 4.8.
pH = pk + log ([A] : [HA])
A.
5.10
B.
5.04
c.
5.25
D.
6.10
E.
6.00
of which

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d