paigebmaxwell7406 paigebmaxwell7406

26-05-2021
Chemistry

contestada

PH =5 and now to prepare a buffer solution what will be the proportion of ethanoic acid and sodium ethanoate

Respuesta :

batolisis batolisis

27-05-2021

Answer:

CH3COONa : CH3COOH = 1.74 : 1 (required to prepare a buffer at PH = 5)

Explanation:

Given that :

PH = 5

Calculate proportions of ethanoic acid and Sodium ethanoate to prepare Buffer solution

solution :

PH = Pka + Log ( CH3COONa / CH3COOH )

5.0 = 4.76 + Log ( CH3COONa / CH3COOH )

∴ Log ( CH3COONa / CH3COOH ) = 0.24

( CH3COONa / CH3COOH ) = 1.74

Therefore : CH3COONa : CH3COOH

1.74 : 1

Answer Link

Otras preguntas

Two small charged spheres are placed in vacuum on the x-axis: Q1 = 5.0 µc at x = 0 and Q2 = −8.0µc at x = 50cm. a third charge is placed at x = a cm such that t

How would you react to the statement that the electronegativity of N on Pauling scale is 3.0 in all the nitrogen compounds?Electronegativity of an element is a

Define the crude death rate and explain how it is calculated using a reference population.

I couldn't have made it through those whitewater rapids without the expert help of the rafting guides, _____ I thanked for taking me on the trip of a lifetime.

The dimensions on which functional departments can vary include all of the following except __________ orientation.a. Technologicalb. Goalc. Timed. Interpersona

N/45 = 1/15a. n = 1/3b. n = 4 c. n = 675d. n = 3

Who invented forfeited 200 shares of rs 100 each rs 60 per check order of held by charles he had paid rs 20 per share out of these 150 shares were issued to and

In the House of Representatives, does Montana have the same amount of power, less power, or more power? 1) Same amount of power 2) Less power 3) More power

Which of the following is an example of a concrete word? A.enormity B.notebook C.technology D.happiness

Explain how one of these organizations further globalizes the economy