- #1

harambe

- 50

- 10

## Homework Statement

The hydroxide ion concentration in an aques H2CO3 solution is 4X10^{-4}M at 25°C OH- ion concentration in the solution is

## Homework Equations

Ph=log(H+ or OH-) [/B]

## The Attempt at a Solution

I calculated the PH of H+ in the solution which came to be 4.3979.Considering this to be water solution , I get POH to be 10.602..This doesn't match answer. Where did I go wrong[/B]