True or false? Buildings that are right on top of seismic waves that have really short wavelengths experience the least damage than buildings that are on top of seismic waves with long wavelengths.

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The question should be "What is the mole fraction of salt in this solution?"

Below are the choices:

(A) 5.23 x 10-4 
(B) 99.95 x 10-2 
(C) 5.23 x 10-2 
(D) 99.95 x 10-4

The answer is A) 5.23 x 10-4