What is a ion?
a. an atom with a different number of neutrons
b. an atom with a positive or negative charge
c. a molecule whose name has no charge
d. a molecule that does not have any bonds

If you add 5.00 ml of 0.100 m sodium hydroxide to 50.0 ml of acetate buffer that is 0.100 m in both acetic acid and sodium acetate, what is the ph of the resulting solution? acetic acid: ka = 1.8. x 10-5