A buffer that contains 0.589 M base, B, and 0.292 M of its conjugate acid, BH+, has a pH of 8.84. What is the pH after 0.0020 mol of HCl is added to 0.250 L of this solution?

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.