adamzwangneedshelp adamzwangneedshelp

03-06-2016
Chemistry

contestada

a .35 m solution of weak acid, HX, has a h+ of 4.15×10^-3. what is the value of ka for this acid

Respuesta :

05-06-2016

Ka has the formula:

Ka = [H+] [X-] / [HX]

We have the following given:
[H+] = 4.15x10^-3
[HX] = 0.35

Since the acid dissociates in a ratio of 1 [H+] to 1 X,
[H+] = [X-]

Plugging in the values,
Ka = (4.15x10^-3)(4.15x10-3) / 0.35
Ka = 4.92x10^-5

Answer Link

Otras preguntas

How do you call a consumers that eat producers?

What did the rejection of the League of Nations, the higher tariffs imposed by the Fordney-McCumber Act, and the emergency quota at all point to during the earl

The parts of Earth's atmosphere, ocean, land surface, and soil that contain all living organisms is called ___

Please help me !!! ( the directions are at the top of the picture ) Answer what you can correctly for a brainliest and also get a thanks ! Don't answer if you d

Use identities to find the exact value for each requested function.

Explain the difference between the preterite and the imperfect.

a+10=55 how do I solve this

WILL UPVOTE EVERY ANSWER! MULTIPLE CHOICE QUESTIONS! Which factor is MOST responsible for the ocean tides? A) the wind B) earthquakes C) the moon's gravity D) d

What is √10/√3 in simplest radical form?

Productivity and attitude