formic acid, Hfor, has a Ka equal to about 1.8×10^-4. a student is asked to prepare a buffer having a pH of 3.

formic acid, Hfor, has a Ka equal to about 1.8×10^-4. a student is asked to prepare a buffer having a pH of 3.4 from a solution of formic acid and a solution of sodium formate having the same molarity. How many mililiters of the Nafor solution should she add to 25 ml of the Hfor solution to make the buffer? freeslots dinogame telegram营销