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At 50°C the value of Kw is 5.5 × 10^-14. A basic solution at 50°C has A) [H3O+] < 2 × 10^-7 M < [OH-]. B) [H3O+] < [OH-] < 2 × 10^-7 M. C) [H3O+] = [OH-] < 2 × 10^-7 M. D) [H3O+] > 2 × 10^-7 M < [OH-].