The ph of a 0.013m weak monoprotic acid solution is 5.27. calculate ka for this acid

Question

19-02-2017
Chemistry

contestada

The ph of a 0.013m weak monoprotic acid solution is 5.27. calculate ka for this acid

Respuesta :

Otras preguntas

Fill in the blank with an activity you'd like to participate in during this type of weather. Cuando hace mal tiempo, me gusta __________. Fill in the blank wit

A cone with a mass of 6 g has a radius measuring 5 cm and a height of 2 cm, making the volume 52.33g/cm3 (3.14*52(2/3)). What is its density? A- 60 g/cm3

Which expression means the same thing as "six more than c minus 10"?

Four-year-old R'Monte engages in make-believe play. He stirs beads in a bowl and says, "Soup is ready!" According to Piaget, R'Monte is in the __________ stage

Suppose you have a limited money income and you are purchasing products a and b whose prices happen to be the same. To maximize your utility you should purchase

Please help need 100

Where did the people in Mesopotamia live before city states existed

49. Based on information in the sentence, which word means the same as intensity ? 50. What is the meaning of service as it is used in the sentence?

Why can't people change from salary job to own business without proper connection?

taskmasters taskmasters · Answer 1 · 2017-03-05T01:51:12+01:00

taskmasters taskmasters

05-03-2017

Given:

pH is 5.27
Concentration of sol'n 0.013m (weak monoprotic)

Determine H+ concentration:

[H+] = 10^-pH
= 10^-5.27
= 5.37x10^-6

Ka = [H+] [A-] / [HA]
= (5.37x10^-6) * (5.37x10^-6) / (0.013 - 5.37x10^-6)
= 2.22x10^-9

Answer Link