Calculate the [H3O+] of each aqueous solution with the following [OH−].

Question

dishwashing detergent, 1.5×10⁻³  M

milk of magnesia, 1.3×10⁻⁵ M

aspirin, 1.9×10⁻¹¹ M

seawater, 2.9×10⁻⁶ M

Answer 1

(H3O+)(OH-) = 1x10^-14

H3O⁺ = 1x10^-14/[OH-]

plug in the OH values and solve for H3O⁺

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