# If the [OH–] of a solution is 1.5 × 10–4 M, the [H3O+] is ... (use...

###### Question:

If the [OH] of a solution is 1.5 × 10–4 M, the [H3O+] is ...

(use parethesis to help)

 A. 1.2 x 10-2 B. 1.0 x 10-7 C. 1.5 x 10-3 D. 6.3 x 10-6 M E. 6.7 x 10-11 M

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