Home
Class 11
CHEMISTRY
A weak acid HX, after mixing with 12 mL ...

A weak acid HX, after mixing with 12 mL of decimolar potash has a pH 5. At the end point of neutralisation 26.6 mL of potash is consumed. What is the dissociation constant of HX ?

Text Solution

Verified by Experts

`8.2 xx 10^(-6)`
Promotional Banner

Similar Questions

Explore conceptually related problems

In the titration of a solution of weak acid, HX with NaOH ,the pH is 5.8 after 10 mL of NaOH solution has been added and 6.40 after 20.0mL of the NaOH has been added. What is the ionisation constant of the acid HX ?

Find the hydrolysis constant of NaX, if the dissociation constant of weak acid HX is 2 xx 10^(-5) .

Decimolar weak monoprotic acid (pK_a = 4.8) is titrated with decimolar potash solution. What is the pH at equivalence point?

Decimolar weak monoprotic acid (pK_a = 4.8) is titrated with decimolar potash solution. What is the pH at half-equilvalence point ?

100 ml 0.1 M H_3PO_4 solution is being titrated with 0.1 M NaOH solution. The pH of the reaction mixture keeps increasing with addition of NaOH. The successive dissociation constant of H_3PO_4 " are " 10^(-3) , 10 ^(-6) and 10^(-14) respectively. What is the pH of the reaction mixture after adding 50 ml of NaOH ?

100 ml 0.1 M H_3PO_4 solution is being titrated with 0.1 M NaOH solution. The pH of the reaction mixture keeps increasing with addition of NaOH. The successive dissociation constant of H_3PO_4 " are " 10^(-3) , 10 ^(-6) and 10^(-14) respectively. What is the pH of the solution after adding 150 ml of NaOH solution?

100 mL of each pH = 3 and pH = 5 solutions of a strong acid are mixed. What is the resultant pH ?

Calculate the pH of 0.10M ammonia solution. Calcualte the pH after 50.0mL of this solution is treated with 25.0mL of 0.10M HCl . The dissociation constant of ammonia, K_(b)=1.77xx10^(-5) .