Table 15C.2 lonic radii, r/pm* Na* 102(6*), 116(8) K* 138(6), 151(8) F 128(2), 131(4) 181 (close packing) * This scale is based on a value 140 pm for the radius of the 0² ion. More values are given in the Resource section. * Coordination number.
Table 15C.2 lonic radii, r/pm* Na* 102(6*), 116(8) K* 138(6), 151(8) F 128(2), 131(4) 181 (close packing) * This scale is based on a value 140 pm for the radius of the 0² ion. More values are given in the Resource section. * Coordination number.
Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter20: Chemistry Of Selected Transition Elements And Coordination Compounds
Section: Chapter Questions
Problem 98QRT
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Question
Estimate the diffusion coefficients and the effective hydrodynamic radii of the alkali metal cations in water from their mobilities at 25 °C (refer to the Resource section for values of the mobilities). Estimate the approximate number of water molecules that are dragged along by the cations. Ionic radii are given Table 15C.2.
![Table 15C.2 lonic radii, r/pm*
Na*
102(6*), 116(8)
K*
138(6), 151(8)
F
128(2), 131(4)
181 (close packing)
* This scale is based on a value 140 pm for the radius of the 0² ion. More values are
given in the Resource section.
* Coordination number.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F23d7ba89-4799-47b8-ad6c-47d3bd5c1ee5%2F4702f365-e9b5-486c-a938-2cfc23b2a83f%2F7nv1wlc.png&w=3840&q=75)
Transcribed Image Text:Table 15C.2 lonic radii, r/pm*
Na*
102(6*), 116(8)
K*
138(6), 151(8)
F
128(2), 131(4)
181 (close packing)
* This scale is based on a value 140 pm for the radius of the 0² ion. More values are
given in the Resource section.
* Coordination number.
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