Respuesta :

Answer:

0.000025mol/L

Explanation:

pH = -log[H3O+]

Here, we know that pH = 4.6 while the concentration of [H30+] is what we are to find. This can be obtained as follows:

4.6 = -log[H30+]

[H3O+] = -Antilog(4.6)

= 0.000025mol/L