The ionization constant (Ka ) equation of a monoportic weak, HA, acid is given by ca2 K = (1-0) The use of conductivity meter to test a 0.106 M solution of this weak acid gives a specific conductance, K, 20.24 uS.cm-1. What would be the pKa, (-long Ka), of the acid, if its limiting molar ionic conductivities are A+ = 243 and A. = 74 S.cm2 mol-1? OA 4.41 OB. 6.00 OC 5.53 OD.3.12 OE3.62

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The ionization constant (Ka ) equation of a monoportic weak, HA, acid is given by
ca2
K, =
(1-0)
The use of conductivity meter to test a 0.106 M solution of this weak acid gives a specific conductance, K, 20.24 uS.cm-1. What would be the pKa, ( -long Ka), of the
acid, if its limiting molar ionic conductivities are A+ = 243 and A. = 74 S.cm2 mol-1?
OA 4.41
O B.6.00
OC.5.53
OD.3.12
OE.3,62
Transcribed Image Text:The ionization constant (Ka ) equation of a monoportic weak, HA, acid is given by ca2 K, = (1-0) The use of conductivity meter to test a 0.106 M solution of this weak acid gives a specific conductance, K, 20.24 uS.cm-1. What would be the pKa, ( -long Ka), of the acid, if its limiting molar ionic conductivities are A+ = 243 and A. = 74 S.cm2 mol-1? OA 4.41 O B.6.00 OC.5.53 OD.3.12 OE.3,62
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