Explain how one isotope of an element differs from another

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

Type the letter that represents the correct location for each particle type below.

Convert .347 kilometers to miles show your work