Henderson Hasselbalch Equation

[@justinpalmer8608]

Hello! Thank you for the wonderful videos, I have watched every single video on this playlist up to this point and they have cleared a lot of concepts up! I did have a quick question though, I am a little confused as to why the [A-] would go down as pH goes down. I thought that with acid strength, more protons would be released, which would mean that the [A-] would go up and [HA] would go down (because more protons are being released from that acid). It definitely makes sense when deconstructing the equation and plugging in those values, like for example, to lower pH by 1 it would have to be log(1/10), I guess conceptually I am just struggling to wrap my brain around this. Thank you for the wonderful videos they have been a huge help with my studies!! :)

[@StarSunYT]

As more acid is added, there is more H+ in solution, decreasing the pH. That extra H+ would combine with the A- in solution increasing the HA concentration while decreasing the A- concentration in order to make that HA.

[@justinpalmer8608]

@@StarSunYT thank you!