If a buffer solution is 0.270 M in a weak base (Kb=7.6×10−5) and 0.490 M in its conjugate acid, what is the pH?

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Ineed ! i have no clue how to do this problem.

What is the compound name for the formula [ru(en)2cl2]2+ and [co(en)cl2br]-