MYTUTOR SUBJECT ANSWERS

150 views

What is a buffer and what do you need to make one?

A buffer is a solution which resists changes in pH when alkaline or acidic solution is added to it.

Buffers are created based on the equilibrium of a proton donor/ acceptor and the conjugate base/ acid. For example, a weak acid and it's salt can act as a buffer. The weak acid hardly dissociates whilst the salt fully dissociates to give a large concentration of ions. The weak acid and its dissociated ion then exist in equilibrium to resist changes in pH made by adding or withdrawing protons. 

Felix B. A Level Chemistry tutor, IB Chemistry tutor, GCSE Chemistry ...

4 months ago

Answered by Felix, who tutored A Level Chemistry with MyTutor

Still stuck? Get one-to-one help from a personally interviewed subject specialist

80 SUBJECT SPECIALISTS

£20 /hr

Charlotte M.

Degree: Medicine (Bachelors) - Cambridge University

Subjects offered: Chemistry, Maths+ 1 more

Chemistry
Maths
Biology

“About me I am a medical student at the University of Cambridge. I love all things related to maths and science. I am bilingual in German and can’t wait to share mypassion with others. I have experience tutoring a range of different...”

MyTutor guarantee

£20 /hr

Martin L.

Degree: Chemistry (Bachelors) - Warwick University

Subjects offered: Chemistry, Maths

Chemistry
Maths

“About Me: I am currently a third-year student studying Chemistry at the University of Warwick; and have had tutor experience at my secondary school. I take a patient approach to tutoring and believe that a lot of the concepts they tea...”

£30 /hr

Fahad M.

Degree: Medicine And Surgery - MBChB (Bachelors) - Birmingham University

Subjects offered: Chemistry, Psychology+ 7 more

Chemistry
Psychology
Physics
Maths
Biology
.UKCAT.
.BMAT (BioMedical Admissions)
-Personal Statements-
-Medical School Preparation-

“About MeGraduating highschool with many distinctions I went on to become a medical student at the University of Birmingham. Having excelled in my interview (gaining the top rank in Motivation and Experience) I went on immediately to ...”

About the author

Felix B.

Currently unavailable: for new students

Degree: Medicine (Doctorate) - Imperial College London University

Subjects offered: Chemistry, Biology

Chemistry
Biology

“Who am I? My name is Felix - i'm a final year medical student at Imperial College London. I have a MSc in Biochemistry from Oxford University and have been tutoring students for over 4 years.  I thoroughly enjoy teaching students and...”

You may also like...

Other A Level Chemistry questions

What are the different types of bonding in chemicals?

The recommended daily allowance of methionine for an adult is 15 mg per kg of body mass. Tuna contains 755 mg of methionine per 100 g portion. Calculate the mass, in grams, of tuna that would provide the RDA of methionine for a 60 kg adult.

What is a mole?

What is Effective Nuclear Charge?

View A Level Chemistry tutors

Cookies:

We use cookies to improve our service. By continuing to use this website, we'll assume that you're OK with this. Dismiss

mtw:mercury1:status:ok