Medal and fan
Formic Acid, HCOOH, which causes the sting felt from some insect bites is 1.48% dissociated in .5 M HCOOH at a certain temperature.

Find the concentration of the H ions

I don't know what I'm doing wrong, but I'm not coming up with the right answer.

Question

Medal and fan
Formic Acid, HCOOH, which causes the sting felt from some insect bites is 1.48% dissociated in .5 M HCOOH at a certain temperature.

Find the concentration of the H ions

I don't know what I'm doing wrong, but I'm not coming up with the right answer.

aaronq · Answer

is this what you did?  1.48%* 0.5 M= 0.0074 M = $[H_3O^+]$

anonymous · Answer

No, that isn't what I did. Is it what I have to do?

aaronq · Answer

yes

anonymous · Answer

Oh, I didn't know that! Thanks so much(:

aaronq · Answer

no problem! hope it's clear, if not ask away

anonymous · Answer

Nope that's perfectly clear!!

aaronq · Answer

good stuff!