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What Is the PH of a Solution That Is Simultaneously

Question 89

Multiple Choice

What is the pH of a solution that is simultaneously 0.10 M in both NH3 and the NH4+ ion?
(NH4+: Ka = 5.6 x 10-10)
NH3(aq) + H2O(l) What is the pH of a solution that is simultaneously 0.10 M in both NH<sub>3</sub> and the NH<sub>4</sub><sup>+</sup> ion? (NH<sub>4</sub><sup>+</sup>: K<sub>a</sub> = 5.6 x 10<sup>-10</sup>) NH<sub>3</sub>(aq) + H<sub>2</sub>O(l) NH<sub>4</sub><sup>+</sup>(aq) + OH<sup>-</sup>(aq) A) 4.75 B) 7.00 C) 9.25 D) The pH of this solution would be impossible to predict. E) none of the above NH4+(aq) + OH-(aq)


A) 4.75
B) 7.00
C) 9.25
D) The pH of this solution would be impossible to predict.
E) none of the above

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