explain why the salt of a weak acid, as well as the acid itself, must be present to form a buffer solution.

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate