# Chemistry

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

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

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

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2. gng

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