A forming acid solution has a pH of 3.25. Which of these substances will raise the pH of the solution upon addition? Explain.

A) HCl
B) NaBr
C) NaCHO2
D) KCl

1 answer

Did you mean "formic" acid?
Adding HCl will LOWER (make it more acid).
Adding NaBr or KCl can't have any effect since these are salts of strong acid and strong bases.
That leaves only one. I assume NaCHO2 is sodium formate which is a base and that will raise the pH (make it more basic).