Aluminum has an atomic number of 13 and an atomic mass of 27 which of the following correctly shows the electron arrangement for aluminum A. 2,11

B. 2,8,1

C.2,8,3

D. 2,8,17

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)

C3h8o3 - glycerol major species present when dissolved in water

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al oxidizing agent = reducing agent =