I think this is the answer try it 
172.3995<span>
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A condensation reaction is described to be a reaction wherein two molecules form an even larger product and consequently produces a smaller molecule as a by-product. For example, when two amino acids are combined, a dipeptide bond is formed. As a result, 1 molecule of water is produced as a by-product.
        
             
        
        
        
I'm not quiet sure...possibly an ionic bond.
        
             
        
        
        
<span>Based on your information 1000 times greater than pH 13 is the best I can come up </span>with.