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An aqueous solution contains dissolved C6H5NH3Cl and C6N5NH2. The concentration of the C6H5NH2 is 0.50 M and pH is 4.0. Kb of aniline 3.8x10-10 a) Calculate the concentration of C6H5NH3+ in this buffer solution Answer:1.9 M b) Calculate the pH after 4.0 g of NaOH(s) is added to 1.0 L of this solution

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