Calculate the hydronium ion concentration in an aqueous solution with a pH of 11.7 at 25°C. A) 5.7 × 10^-11 M B) 1.9× 10^-12M C) 5.4 × 10^-2 M D) 6.4 × 10^-7 M E) 9.5× 10^-3 M

Name: Calculate the hydronium ion concentration in an aqueous solution with a pH of 11.7 at 25°C. A) 5.7 × 10 -11 M B) 1.9× 10 -12 M C) 5.4 × 10 -2 M D) 6.4 × 10 -7 M E) 9.5× 10 -3 M
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Question

Quizplus · Accepted Answer

pH = -log[H3O+]
11.7 = -log[H3O+]
[H3O+] = 10^(-11.7)
[H3O+] = 1.9× 10^-12 M (option B)

Calculate the Hydronium Ion Concentration in an Aqueous Solution with a PH