llamabae777 llamabae777

26-03-2021
Chemistry

contestada

Calculate the pH of the buffer solution comprised of 0.20 M HCHO2 and 0.15 M NaCHO2. (Ka for HCHO2 = 1.8 x 10-4)

Respuesta :

21ahmedfa 21ahmedfa

26-03-2021

Answer:

3.62

Explanation:

Using the Henderson-Hasselbach equation:

pH = pKa + log[base]/[acid]

pH = -log(1.8 x 10^-4) + log(0.15/0.20) = 3.62

Answer Link

Otras preguntas

Poor farmer chevez labors sixteen hours a day and never has time for a vacation. He deserves better! everyone should have at least one day a week for rest and r

Which is the main reason that Germany initially attacked France when World War I began? A France was bound by a treaty to support Russia in any armed conflict.

In the winter, the fur of the arctic fox is white. In summer, the fur darkens to a reddish brown. What most likely causes the fur of the fox to change colour

the area of a trapezium is 35cm2.find its altitude if the bases is 6cm and 8cm

PLEASE HELPP ME PLEASEEEEE!!!!!

Spanish explorers' goals included traveling to new lands and Ospreading Christianity. O converting people to Islam. O adopting new traditions. Oworking to prom

Scientists can determine relatedness among organisms

In the statement 10 +(-10) =0, how would you describe the -10?

The nucleus of 8be, which consists of 4 protons and 4 neutrons, is very unstable and spontaneously breaks into two alpha particles (helium nuclei, each consisti

How do constitutional rights impact our society?