Buffer problem
Can someone please explain what I’m missing here. The question asks what is the ph of a solution that contains 10 times the concentration of acetic acid as sodium acetate. The pka of acetic acid is 4.8. Wouldn’t the ratio be 10/1 but the problem shows 1/10.
However, the equation is a/ha.
Thank you. (Source: Student Doctor Network)
Source: Student Doctor Network - January 5, 2024 Category: Universities & Medical Training Authors: Dochopeful13 Tags: MCAT Study Question Q&A Source Type: forums
Hydrolysis of a salt question
I'm confused about how to find the correct answer to this question:
Acetic acid has a pKa of 4.8. What is the pH of a 0.1M solution of sodium acetate?
a) 2.9
b) 7
c) 8.9
d) 13
I don't really know where to begin. When I first saw the question, I thought I'd be using the Henderson Hasselbach equation because we are dealing with an acid and it's salt but after reading the answer, they used a whole different approach and did the question by looking at the dissociation of the sodium acetate and...
Hydrolysis of a salt question (Source: Student Doctor Network)
Source: Student Doctor Network - July 6, 2016 Category: Universities & Medical Training Authors: pch Source Type: forums
Microbiology of Foods
by beingmahendra (Posted Mon Jan 04, 2016 1:36 am)• Most spoilage bacteria grow at neutral pH• The microbiological examination of coliform bacteria in foods preferably use MacConkey broth, violet Red Bile agar& eosine Methylene blue agar• Acetic acid will have higher bacteriostatic effect at a given pH. (Source: Med Student Guide)
Source: Med Student Guide - January 4, 2016 Category: Universities & Medical Training Source Type: forums
