【Daily Question】Theoretical Foundation 2020.07.22

2020-07-22 View Original

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Multiple-choice question: In HCN with a concentration of 0.05 moldm-3, if 0.01% of the HCN ionizes, then the dissociation constant of HCN is ( ). A. 5×10-10 B. 5×10-8 C. 5×10-6 D. 2.5×10-7 Answer: A Hint: Extra rewards will be given to those who can explain the solution process; the answer can be seen in the response

Reply #2 2020-07-22

This post was last edited by 7eleven on 2020-7-22 10:36: A 0.05*0.0001*0.05*0.0001/0.05=5*10^-10

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【Daily Question】Theoretical Foundation 2020.07.22

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