(19) Based on electron affinities and electron configurations of these Group 16 elements, what would be the correct value for the electron affinity of the last element?
[Ne] 3s23p4 = -208 kJ/mol
[Ar] 45230104p4 = -202 kJ/mol
[Kr] 5524d105p4- 2

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the correct answer is:

a. formation of precipitation

a saline water is fed to a reverse osmosis unit at flow rate o rotameter connected to reject (retentate) line reads 8 installed in reject and permeate line reads 15.2 milli siemens/cm and 300 micro siemens/com respectively.

the correct answer is b. a strong acid completely dissociates to its ions when dissolved in water. completely dissociates to and ions. a is incorrect because does not fully ionize to and ions and some remain as the compound . c and d are incorrect because, and do not fall into the category of bronsted lowry acids. a bronsted lowry acid is a proton donor and since both molecules do not have a proton to donate they are not bronsted lowry acids. likewise,   if we use the lewis acid definition, they cannot be acids. a lewis acid is an electron pair acceptor. both and have a complete octet so can not accept any electrons which disqualifies them as acids.