Question

The concentration of OH-

in a fruit juice, which contains 2 x 10-3 M H3O

+

ion is

a) 2 x 10-11 b) 5 x 10-12 c) 5 x 10-11 d) 5 x 10-13

​

Answer 1

Answer:

Given that H3O = 2 x 10-3M Kw = [H3O+] [OH-] 2 x 10-3 >> 0.5 x 10-11 i.e., [H3O+] >> [OH -], hence the juice is acidic in nature.

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