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

What is any characteristics that help an animal survive

what roman legacies affect our lives today

Simplify fully X squared - 8x + 15 Over X squared + x -12

An enumerated power is a power of Congress that is __________.

Name and define the 6 stages of the water cycle

Which sentence is punctuated correctly? A. We need to get these art supplies: markers, colored pencils, and paintbrushes. B. The art supplies we need to get are

Tiffani spent $95 for clothes. This is $15.80 more than 4 times the amount her sister spent for school supplies.

True or False: Religion serves as a powerful agent of social control, encouraging conformity to the norms of society.

what is bigger 8 quarts or 16 pints.

True or False: Religion serves as a powerful agent of social control, encouraging conformity to the norms of society.