Question

What is the pH of 0.05M Ba(OH)2
b) 13
a) 1
c) 5​

Answer 1

Ba ${(OH)}_{2}$ is a base, hence it's pH will be higher than 7..

since options (b) and (c) are lesser than 7, the correct answer is (a) 13.

Answer 2

Answer:

correct answer is 12.4

and according to option b. 13