Skip to main content
K

Kelsie Sawayn

Feb 20, 2025

A 0.050 M solution of the weak acid HA has [H3O+] = 3.77 × 10-4 M. What is the Ka for the acid?

0
Save

1 Answers

M
Madie Hilpert

Feb 20, 2025

HA <–> H^+1 + A^-1 Ka = [H+][A-]/[HA][H+] = 3.77×10^-4 Mtherefore [A-] = 3.77×10^-4 Mand [HA] = 0.050 – 3.77×10^-4 = 0.0496 MKa = (3.77×10^-4)^2 / 0.0496 = 2.87 x 10^-6Ka = 2.9×10^-6... Show More
0

Want to answer this question?

Join our community to share your knowledge!

Log in Sign up

Categories

Tags

Related Questions

1
a 0.12 kg disk is shot across a frictionless horizontal surface by being compressed against a spring?

In an arcade game, a 0.12 kg disk is shot across a frictionless horizontal surface by being compressed against a spring...

1
A 0.12M solution of an acid that ionizes only slightly in solution would be termed?

dilute and weak.strong and dilute.concentrated and weak.concentrated and strong.

3
4
A. 0% B. 25% C. 50% D 75%

A. 0% B. 25% C. 50% D 75%

3
A 1.50m -long, 550g rope pulls a 7.00kg block of ice across a horizontal, frictionless surface. Physics Help?

A 1.50m long, 550g rope pulls a 7.00kg block of ice across a horizontal, frictionless surface. The block accelerates at...

5
3
A 1.800-g sample of solid phenol (C6H5OH(s)) was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/?

A 1.800-g sample of solid phenol (C6H5OH(s)) was burned in a bomb calorimeter whose total heat capacity is 11.66 kJ/?C....

3
A 100 N force acts along the x axis and a 150 N force acts at an angle of 40 degrees above the x axis.?

A 100 N force acts along the x axis and a 150 N force acts at an angle of 40 degrees above the x axis.a)What is the resu...

1
A 12-kg hammer strikes a nail at a velocity of 8.5m/s?

A 12-kg hammer strikes a nail at a velocity of 8.5m/s and comes to rest in a time interval of 8.0ms (a) What is the impu...

9