For an organic monoprotic acid solution of concentration Co mole litre^(-1), if K_(a) has a value comparable to K_(w), show that the hydronium ion concentration is given by : [H^(+)]= [(K_(w))/(H(+)]+(K_(a).Co)/([K_(a)+H^(+)])] If [H^(+)]=10^(-3)M and Co=10^(-1)M in a solution of some organic monoprotic acid, what according to the above equation must be the order of magnitude of K_(a) ?

For an organic monoprotic acid solution of concentration Co mole litre

1.	For an organic monoprotic acid solution of concentration Co mole litre^(-1), if K_(a) has a value comparable to K_(w), show that the hydronium ion concentration is given by : [H^(+)]= [(K_(w))/(H(+)]+(K_(a).Co)/([K_(a)+H^(+)])] If [H^(+)]=10^(-3)M and Co=10^(-1)M in a solution of some organic monoprotic acid, what according to the above equation must be the order of magnitude of K_(a) ?
Answer» ANSWER :`10^(-5);`