Chemistry Forum

1.How many grams of benzoic acid (C6H5COOH) must be dissolved in 250 mL of water to have a solution with pH of 3.02. Ka=3x10^-5 your experiment, you need 2.1 L of a solution with a pH of 3.50. How many mL of 2 mM H2SO4 solution you need to use to prepare the desired solution? 3. Calculate the pH, [H...