Question

what is the P^OH if hydrogen ion
concentration is solution is 1x 10^-3 mol/dm3​

Answer 1

Answer:

11

Explanation:

Because, 1L = 1 dm³

Conc[H+] = 10^-3 mol/L = 10^-3 M

pH of the solution = - log[H+] = - log[10^-3 M] = 3

Since,

pOH + pH = 14

=> pOH = 14 - 3 = 11