Question

The PH of a solution is 5. Its [OH-

] concentration is _____________.



(a) 1 × 10-5 M (b) 5 M (c) 1 × 10-9 M (d) 9 M​

Answer 1

Answer:

option c

Explanation:

ph+poh= 14

poh =14–5

=9

poh= –log (oh–)

9= – log (oh–)

oh–= 1×10^–9