68. What volume of 0.200 M potassium hydroxide should be what volume of 0.200 M potassium hydroxide should be added to 300. mL of 0.150 M propanoic acid (C2H5COOH) to obtain a solution with a pH of 5.252 [Ka,(CH3COOH) = 1.34 x 10^-5]

9. write the chemical equation for the following word equations. include symbols for physical states in the equation. a. solid zinc sulfide + oxygen gas -> solid zinc oxide + sulfur dioxide gas b. aqueous hydrochloric acid + aqueous barium hydroxide -> aqueous barium chloride + water

Which change in temperature is the smallest? a change of 1 thomson degree a change of 1 kelvin degree a change of 1 fahrenheit degree a change of 1 celsius degree

At 300 mm hg, a gas has a volume of 380 l, what is the volume at standard pressure