What factors do the valencies of transition elements depend upon? At least 2 points. ​

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)

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Draw metallic bonding if two copper