Calculate the concentration of OH⁻ in a solution that contains 4.9 x 10 -4 M H 3O⁺ at 25°C.
pH = - log [H3O+] = - log (4.9 x 10-4) = 3.3098
Now, pH + pOH = 14
3.3098 + pOH =14
pOH = 10.6902
Again, pOH = - log [OH-]
10.6902 = - log [OH-]
[OH-] = 2.0408 x 10-11 M
Calculate the concentration of OH⁻ in a solution that contains 4.9 x 10 -4 M H...
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