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H2SO3(aq) HSO3-(aq) + H+(aq) Kc = 1

Question 67

Multiple Choice

H2SO3(aq) H<sub>2</sub>SO<sub>3</sub>(aq)    <sub> </sub> HSO<sub>3</sub><sup>-</sup>(aq)  + H<sup>+</sup>(aq)  K<sub>c</sub> = 1.4 × 10<sup>-2</sup> H<sub>2</sub>SO<sub>3</sub>(aq)    <sub> </sub> SO<sub>3</sub><sup>2-</sup>(aq)  + 2H<sup>+</sup>(aq)  K<sub>c</sub> = 9.1 × 10<sup>-10</sup> Given the above equilibrium constant data at 25 °C, what is the value of K<sub>c</sub> at this temperature for the reaction HSO<sub>3</sub><sup>-</sup>(aq)    <sub> </sub> SO<sub>3</sub><sup>2-</sup>(aq)  + H<sup>+</sup>(aq) ? A)  6.5 × 10<sup>-8</sup> B)  1.3 × 10<sup>-11</sup> C)  7.8 × 10<sup>10</sup> D)  1.5 × 10<sup>7</sup> E)  none of the above HSO3-(aq) + H+(aq) Kc = 1.4 × 10-2
H2SO3(aq) H<sub>2</sub>SO<sub>3</sub>(aq)    <sub> </sub> HSO<sub>3</sub><sup>-</sup>(aq)  + H<sup>+</sup>(aq)  K<sub>c</sub> = 1.4 × 10<sup>-2</sup> H<sub>2</sub>SO<sub>3</sub>(aq)    <sub> </sub> SO<sub>3</sub><sup>2-</sup>(aq)  + 2H<sup>+</sup>(aq)  K<sub>c</sub> = 9.1 × 10<sup>-10</sup> Given the above equilibrium constant data at 25 °C, what is the value of K<sub>c</sub> at this temperature for the reaction HSO<sub>3</sub><sup>-</sup>(aq)    <sub> </sub> SO<sub>3</sub><sup>2-</sup>(aq)  + H<sup>+</sup>(aq) ? A)  6.5 × 10<sup>-8</sup> B)  1.3 × 10<sup>-11</sup> C)  7.8 × 10<sup>10</sup> D)  1.5 × 10<sup>7</sup> E)  none of the above
SO32-(aq) + 2H+(aq) Kc = 9.1 × 10-10
Given the above equilibrium constant data at 25 °C, what is the value of Kc at this temperature for the reaction
HSO3-(aq) H<sub>2</sub>SO<sub>3</sub>(aq)    <sub> </sub> HSO<sub>3</sub><sup>-</sup>(aq)  + H<sup>+</sup>(aq)  K<sub>c</sub> = 1.4 × 10<sup>-2</sup> H<sub>2</sub>SO<sub>3</sub>(aq)    <sub> </sub> SO<sub>3</sub><sup>2-</sup>(aq)  + 2H<sup>+</sup>(aq)  K<sub>c</sub> = 9.1 × 10<sup>-10</sup> Given the above equilibrium constant data at 25 °C, what is the value of K<sub>c</sub> at this temperature for the reaction HSO<sub>3</sub><sup>-</sup>(aq)    <sub> </sub> SO<sub>3</sub><sup>2-</sup>(aq)  + H<sup>+</sup>(aq) ? A)  6.5 × 10<sup>-8</sup> B)  1.3 × 10<sup>-11</sup> C)  7.8 × 10<sup>10</sup> D)  1.5 × 10<sup>7</sup> E)  none of the above
SO32-(aq) + H+(aq) ?


A) 6.5 × 10-8
B) 1.3 × 10-11
C) 7.8 × 1010
D) 1.5 × 107
E) none of the above

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