andrew4594 andrew4594

20-07-2018
Computers and Technology

contestada

Lactic acid (ch3ch(oh)cooh) has one acidic hydrogen. a 0.10 m solution of lactic acid has a ph of 2.44. calculate ka.

Respuesta :

lilaipo lilaipo

01-08-2018

The answer is : Ka=0.000137

HA -> H+ + A-

0.10 x x

0.10-x +x +x

[H+]= 10^-2.44 = 0.00363

x= 0.00363

(0.00363)(0.00363)/(0.10-0.00363) = 0.000137

Ka=0.000137

Answer Link

Otras preguntas

A fitness club opens with 80 members, Each month the membership increases by 15 members, Which equation represents the relationship between the number of months

Ms. Davis schedules after-school group activities for 18 girls and 24 boys. She wants to make equal groups with the same number of girls and the same number of

please help :(((((((((((((((((((((((

What is the range of the number of points scored? A 66 B 9 C 75 D 13The numbers are75, 64, 63, 68, 62, and 71,Please

Why does each number only have one square root?

Which of the following was a border State during the U.S. Civil War? A) Arkansas B) Kentucky C) Ohio D) Texas

Which organizational pattern would be most effective if an author wants to examine the impact of American students being raised in foreign countries? a) time or

Which of the statements would answer the following question? Quand est-ce qu'elle chante dans la chorale? Elle chante le mardi soir. Elle aimer chanter dans la

A _____ is a fracture or break in Earth's surface.

HELP A family’s lunch bill is $10.19 before tax and tip. Using the percents shown for sales tax and gratuity, how much money should the family pay if the gratu