Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 1.9×10−9M

Question

Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 2.1×10−2M

Calculate [H3O+] in the following aqueous solution at 25 ∘C: [OH−]= 6.1×10−12M

Answer 1

(H3O^+)(OH^-) = Kw = 1E-14
Substitute and solve.

Answer 2

gng