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What Is the Hydronium Ion Concentration in a Solution Prepared

Question 135

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What is the hydronium ion concentration in a solution prepared by mixing 50.00 mL of 0.10 mol L-1 HCN with 50.00 mL of What is the hydronium ion concentration in a solution prepared by mixing 50.00 mL of 0.10 mol L<sup>-1</sup> HCN with 50.00 mL of NaCN? Assume that the volumes of the solutions are additive and that K<sub>a</sub> = A) 1.5 × 10<sup>-</sup><sup>10</sup> mol L<sup>-1</sup> B) 4.9 × 10<sup>-10</sup> mol L<sup>-1</sup> C) 1.6 × 10<sup>-</sup><sup>9</sup> mol L<sup>-1</sup> D) 7.0 × 10<sup>-6</sup> mol L<sup>-1</sup> NaCN? Assume that the volumes of the solutions are additive and that Ka = What is the hydronium ion concentration in a solution prepared by mixing 50.00 mL of 0.10 mol L<sup>-1</sup> HCN with 50.00 mL of NaCN? Assume that the volumes of the solutions are additive and that K<sub>a</sub> = A) 1.5 × 10<sup>-</sup><sup>10</sup> mol L<sup>-1</sup> B) 4.9 × 10<sup>-10</sup> mol L<sup>-1</sup> C) 1.6 × 10<sup>-</sup><sup>9</sup> mol L<sup>-1</sup> D) 7.0 × 10<sup>-6</sup> mol L<sup>-1</sup>


A) 1.5 × 10-10 mol L-1
B) 4.9 × 10-10 mol L-1
C) 1.6 × 10-9 mol L-1
D) 7.0 × 10-6 mol L-1

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