Question

pH of a solution is 5. Thus, the concentration of
hydroxyl ion in the solution is
(1) 9 mol L-1 (2) 5 mol L-
(3) 10-5 mol L-1 (4) 10-mol 1-1​

Answer 1

Answer:

option 3

Explanation:

because pH 7= 10^-7 mole per litre