Question

What is the value of Kw at 25°C?

Answer 1

\(\Large K_w=\dfrac{[H^+][OH^-]}{[H_2O]}\)

Only 1 molecule in 10 million will be dissociated. so H+ and OH- are both \(\large10^{-7}\)

\(\Large K_w=\dfrac{[10^{-7}][10^{-7}]}{[1]}=1.0*10^{-14}\)

Answer 2

Thanks!

Answer 3

No problem :)