(a) Calculate the pH of a solution prepared by mixing 0.0100 mol of the base B (Kb = 10 = - 2.00) with 0.020 0 mol of BH+Br- and diluting to 1.00 L. First calculate the pH by assuming [B] = 0.0100 and [BH+] = 0.0200 M. Compare this answer with the pH calculated without making such an assumption.
(b) After working part (a) by hand, use Excel Goal Seek to find the same answers.