Estimate the properties of an aqueous solution of 1.21 x10-7 M sodium hydroxide and 1.35 x 10-4 M hydrochloric acid in the presence of 0.10 M sodium chloride. The presence of the sodium chloride increases Kw (H2O) from 1.0 x 10-14 to Kcw equal to 1.6 x 10-14 due to ionic atmosphere shielding from the sodium ions and chloride ions.