A 1.00 liter solution contains 0.43 M potassium cyanide and 0.56 M hydrocyanic acid. If 0.14 moles of calcium hydroxide are added to this system, indicate whether the following statements are TRUE or FALSE. (Assume that the volume does not change upon the addition of calcium hydroxide.) A. The number of moles of of CN will decrease. O True False B. The number of moles of of HCN will increase. True False C. The equilibrium concentration of H3O* will increase. O True False D. The pH will increase. True False E. The ratio of [CN] / [HCN] will remain the same. True False

A 1.00 liter solution contains 0.43 M potassium cyanide and 0.56 M hydrocyanic acid. If 0.14 moles of calcium hydroxide are added to this system, indicate whether the following statements are TRUE or FALSE. (Assume that the volume does not change upon the addition of calcium hydroxide.) A. The number of moles of of CN will decrease. O True False B. The number of moles of of HCN will increase. True False C. The equilibrium concentration of H3O* will increase. O True False D. The pH will increase. True False E. The ratio of [CN] / [HCN] will remain the same. True False

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter15: Additional Aqueous Equilibria

Section: Chapter Questions

Problem 81QRT

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