Assignment:
An aqueous solution contains dissolved C6H5NH3Cl and C6H5NH2. The concentration of C6H5NH2 is 0.50 and pH is 4.20.
a. Calculate the concentration of C6H5NH3+ in this buffer solution.
b. Calculate the Ph after 4.0 grams of NaOH(s) is added to 1.0 L of this solution. Neglect any volume change.
Provide complete and step by step solution for the question and show calculations and use formulas.