A56.0 ml volume of 0.25 m hbr is titrated with 0.50 m koh. calculate the ph after addition of 28.0 ml of koh at 25 ∘c.

In chemistry, the type of an atom (what element it is) is determined by: a) the number of protons it contains in its nucleus.b) the number of neutrons it contains in its nucleus.c) the number of protons it has in a cloud around the nucleus.d) the number of neutrons it has in a cloud around the nucleus.e) the number of electrons it exchanges with its neighbors.