2.) Calculate the four values of pH, pOH, [H+], and [OH-] for a 0.00250 M NaOH solution.
3.) Calculate the four values of pH, pOH, [H+], and [OH-] fo a 0.00150 solution of nitric acid (HNO3).
4.) The Ka of HCl is known to be about 10^7. What is the [HCl] of a 1.00 M solution.
5.) Acetic acid has a ka= 1.78x10^(-5). Determine the pHof a 0.100 M solution.
6..) Calculate the hydronium ion ([H30+)] concentration of a 0.25 M solution of benzoic acid, HC7H5O2, Ka= 6.46x10^(-5).