Buffer Solutions

[@TheOrganicChemistryTutor]

Acids-Bases - Free Formula Sheet: bit.ly/3NsE7aP Chemistry PDF Worksheets: www.video-tutor.net/chemistry-basic-introduction.html Full-Length Videos & Exams: www.patreon.com/MathScienceTutor/collections Direct Link to The Full Video: bit.ly/3jT4gUA

[@linsdesk7240]

🤍🤍

[@jessicacruz7769]

If we are a member of the monthly $20 KZbin community, can we expect to see similar perks and access as Patreon members? Asking because this video is very essential in chem 2, thank you

[@alfredbconteh]

I love all of your stuff

[@alfredbconteh]

Great

[@JamaliJoseph-l3r]

this stuff is really so vital cz it has helped me to catch within a second

[@junipersily6687]

this channel saved my high school years and I got 98 on my general chemistry class. now I'm in college and its saving me still. thank you for making these videos! so easy to understand. I'll come back here if I nail my biochemistry. Edit: I nailed the biochem last semester!!!!

[@torresthemonster]

are you taking Biochemistry 1, and are you using this video to study?

[@junipersily6687]

@@torresthemonster yes, I'm taking biochemistry 1

[@ketofitforlife2917]

Really appreciate you! Our professor is just throwing stuff at us in lecture and homework/quizzes don't line up with the stuff she asks us to read or the lecture. I find myself online for hours trying to figure out what the homework is about. You're a life saver man, I'm burning out over here. 🙏

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Obviously something is out of order here. Maybe you or someone else should have a talk with the teacher?

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I believe every chem professor is like that, they teach you one thing but since there is so much theyre expecting you to leaen the other half of chemistry on your own

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how true my guy

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Hhhh Wow, you absolutely described my situation.

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Anyone have a chem final tomorrow and their professor is not good?

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Same

[@MaldMachine]

Got one in 7mins

[@adamito9441]

yup

[@ilgitsahin]

Exactly yes.

[@july3817]

these videos honestly help me so much. I have an exam tomorrow and was kinda worried that I wouldn't be able to calculate anything. I just went through the titration video and now this one. Even though english isn't my first language, this was way more understandable than the worksheet my teacher gave us.

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I called a G.O.A.T in Chemistry because of the Organic Chemistry tutor 😅😅❤❤ you are electrifying sir I don't wanna lie. You are the real G.O.A.T 💯 thanks

[@georgesadler7830]

Professor Organic Chemistry Tutor, thank you for an exceptional explanation on how to calculate the pH of a buffer solution using the classical Henderson Hasselbalch equation in AP/General Chemistry. Buffers are widely used in both chemistry and biology to maintain constant PH. Many natural systems are also buffered. A buffer has a limited capacity to absorb H+ or OH- Ions. A buffer also has its greatest capacity when the concentrations of weak acid and conjugate base are equal. Hence, to make a buffer, we can choose a weak acid whose Ka is close to the [H+ ] we want. This is an error free video/lecture on KZbin TV with the Organic Chemistry Tutor.

[@astromos1373]

in the first 1:20 of the video I was able to understand buffer solutions better than 3 different videos my professor gave me + notes.

[@danielmccoy895]

Fr this was more helpful than half a month of class 💀

[@ayshaghanawi9941]

Thank you sooo much! I have an exam tomorrow and was so lost about this topic but you explained it very clearly! You are a blessing from God. Wish you all the best

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You're a genius. I will never let you and "your efforts" down.🤠

[@noelbisuku8858]

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[@Mariana-xk3bp]

The way you showed the heissen-what’s-it equation 😱 I’m in awe. Excellent!!!!!

[@nishadr.7637]

This is so helpful! I'm starting to understand buffer solutions but it'll definitely take more practice before I get the hang of it. You're also helping me for Cal 2 and I appreciate that.

[@noelbisuku8858]

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[@busterdies2511]

I actually love this guy, my professor is both incompetent and rude so trying to learning anything from her or ask questions is a struggle, thank you so much.

[@reference_realistic]

I wish there was a "The Organic Chemistry Tutor" version for Biology related stuffs 😔. I don't have issues with my Physics and Chemistry because of this man, but for my biology 😭😭😭

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this mans chronically saving my chem grades i swear he needs a noble peace prize or somethin

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Thank you very much professor Im in my 3rd year in pharmacy college and I don’t get well with pharmaceutics but you made it so easy for me to pass the course thank you so much❤️❤️

[@jonathantutorials]

In this video we're gonna talk about....😊

[@brianfugate2446]

Thank you I’m taking my ap exam today and I now understand these stupid buffers for the first time this year

[@dr.greenvil7679]

because of you I will probably have a good grade tomorrow. You're videos are the best in the game, thank you.

[@matthewthompson6455]

Right on time bro, this is what we're working on in class. Thanks for the help as always

[@noelbisuku8858]

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[@عليدهيني-ش6ق]

Thank you, our university just start and we as international students weren't able to arrive in time to we didn't get an explanation for this lesson. I appreciate your effort 👌

[@taviaiub6801]

This channel is still saving me in college ❤ thank you for those videos

[@JustineMañago-t2g]

I was like "ohhhh...". The realization hits me hard after he showed me how the formula was derived.

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Julio Gonzales you are a blessing .thank you xx

[@noelbisuku8858]

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[@lenawalid]

Thanks for this amazing content! Can you please put the questions a little bit lower on the screen so that when the video is stopped youtube doesn't cover the questions with the title?

[@fanos2439]

You are the reason why i got to understand acid base equilibria. 🙏🙏

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Thank you ♥️♥️♥️.. Still changing lives even today ♥️

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You taught me much than my college lecturer just did in 2 months .. thanks .

[@kudumorto9385]

They definitely didn't teach you english...

[@whosaiditwasmehuh]

​@@kudumorto9385 I wonder if you know any other language than English...

[@kudumorto9385]

@@whosaiditwasmehuh I'm Italian...

[@meishiketsu5814]

Mr. The Organic Chemistry Tutor sir, do you have a video about Complexometric Titrations? Your videos are always easy to understand and frankly speaking I cannot find other videos that helped me in this topic😢😢

[@pauloestevao5735]

Congratulations for your work! You know how to transmit knowledge in an easy way. Still one doubt remains: the conjugated base of a weak acid is a strong base or am I wrong?

[@ariyamyilma4579]

Yes it is but some might not be for Example NH3 is weak base and it's conjugate acid NH4 is also a weak acid

[@jenm1]

yes, the reason is because kw = kakb where kw has to = 10^-14 which is to say, adding the acid and base pH should equal 14.

[@ngawangr5324]

@@jenm1 *1.0x10^-14*

[@ericajanebone9609]

pH is dependent on the ratio [A-/HA] [HA]=[A-] , log (1)=1 pH=pKa pH=6.0 ----> pKa=6.0 Get closest pKa log(10)=1 [A-]=1M [HA]=0.1 pKa=4 pH=5 (1 unit higher from pKa) Whenever ratio between acid base (1-10 ratio) = 1 unit higher More of acid = 1 unit lower than pKa More of base = 1 unit higher More than base [A-] than acid [HA] [A-] > [HA] ---> (pH > pKa) [HA] > [A] ---> (pH < pKa) E.g) pKa=4 [A-]=0.01M [HA]=1M pKa=5 [A-]=0.1M [HA]=1M pKa=6 [A-]=1M [HA]=1M pKa=7 [A-]=1M [HA]=O.1M pKa=8 [A-]=1M [HA]=0.01M

[@hisenberg-nl2yj]

thamks a lot. I am studying chemistry for Olympiad and it was very useful for me

[@zoestudio798]

A very simple and helpful video. Please how can I join the membership to get the 1Hr 40mins video on the buffer solutions. I tried but couldn't

[@kxkxsxi6305]

I think he has a link for his patreon in his description box

[@noelbisuku8858]

kzbin.info/www/bejne/jWWQgWV_q9emhpqcttps://kzbin.info/www/bejne/jWWQgWV_q9emhpo

[@GyeonghunPyeon]

산과 염기 문제를 푸는 것은 항상 고충을 유발합니다. 바로 이 산과 염기라는 개념이 PH 즉 로그 스케일로 표현되어있다는 사실은 저를 어렵게 했습니다. 영상에서 제공하고있는 Buffer solution은 이런 문제를 푸는데에 있어 큰 도움이 되었습니다.

[@noelbisuku8858]

kzbin.info/www/bejne/jWWQgWV_q9emhpo

[@AciroSusan-b8i]

Thank you so much my teacher because you made me to understand more about buffer solution

[@OpieBoutwell]

I love you organic chemistry teacher.

[@kerricklai6219]

watching on 2x speed 30 min before my exam. This guy is saving my grade in chem rn

[@xd-mn5vc]

Holy shit this was uploaded just in time! Thank you sm!!!!

[@noelbisuku8858]

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[@allieporta2674]

You’re so good at your job

[@omniael-taher9265]

Perfectly explained 👌 👌... But i noticed in last example that u didn't calculate the molarity in 750ml of solution , and just used the moles directly in equation ! Can anyone explain why ? I'm so confused

[@mahidermelese3695]

its because there is the same amount of volume it doesn't matter if we use it or not it will cancel out

[@naturereveals6539]

Best video on buffers I ever watched 🙌🏼🙌🏼🙌🏼❤️🙏🏽

[@sarahalabi7165]

Best proffessor ever

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I hate chemistry but after watching your videos I getting better in it thanks

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You are a good man ,sir I don't remember how much you help me to be good in my academic performance

[@umutonibella7503]

Thank u so much for your explanation .But you may add other exercises on buffer solution

[@cartersharpnack]

I watched your acid base reaction video and got a 99 on my AP chemistry acid base equilibrium test. Now I'm back for buffers and titrations lol.

[@mrgalvathron]

It's 6:41am and I have an exam by 8am. I'm just watching this 😂

[@abdullamohammed_]

i wonder if you still remember how did the exam went and if its worth all the hype

[@benjaminmacdonald8326]

7:02 and exam is at 8:30

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@@abdullamohammed_ definitely wasn't worth it!!

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its 8.53am and my exam is 9.15am 😭😭😭

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I don't even know the words to use and appreciate you....

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I know I'm not the only one asking for a face reveal

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What for?

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Hey I remeber watching you like 3 years ago man your trigonometry video was so good it explained everything to me sadly people don't want to study you are not getting views I feel bad

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But he has over 2 million subscribers!

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@@jackeroo75 yes he has many subscribers but he doesn't get views

[@noelbisuku8858]

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@@dogeplaysgames8198 people come to his channel when they need to watch a specific video for a class or test he gets good engagement for his niche and literally everyone ik in my class loves him

[@fatemaeza]

is it conjugated weak base or conjugated strong base ?? According to Bronsted-Lowry acid-base theory, the stronger of a pair of acids must form the weaker of a pair of conjugate bases. Therefore, the conjugate base of a strong acid is a weak base.( from google)

[@stormnegele463]

That is correct he was mistaken

[@NtaniDaniel-rx4ze]

Sir love the work, all your videos have been helpful in all subjects. You have my sincere encouragement

[@garethkipkoech]

And there is a lecturer right now with a PhD in this... teaching what he did in 30mins...damn

[@opakunleolabiyi6360]

Having an exam tomorrow... I'm sure it'd help me ace any buffer related question

[@r-jin6677]

University takes money for no reason

[@simavismail6762]

Thank you so much , your explanation make it easy

[@austinschwartz7424]

guys i found a secret if you are given the PKb then just use this equation POH=PKb+log(Acid/Base) then ifAcid is bigger then base it's positive and if base is larger it's negitive

[@noelbisuku8858]

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Give this man his flowers while he is still alive

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I'm here

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You are an amazing teacher. Thank you

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Hello from the motherland❤🇿🇦

[@johnspence8141]

I think whats especially confusing is the Ka value is supposed to describe the disassociation of the ions, which is supposed to dictate the concentration of reactants/products, so its weird to understand how the concentrations of Acid vs Conj base can be equal

[@shafiurrahaman3396]

I’m having trouble understanding this. When he says that the pKa is 6 therefore pH is 6 when log[A-/HA] = 0 i can understand the math, but can’t reconcile in my head how the acid and base don’t effectively just cancel to make the solution neutral 7. My counter thought is that perhaps the pH is actually 7 at the moment A- = HA but since the pKa = 6 it will eventually settle at pH = 6, but by that logic the pH will always = 6 if you give the reaction enough time so I think this is a flawed idea where I’m just describing pKa. I would appreciate to hear an explanation of what I’m missing here

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You have a soothing voice

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Can't thank enough ❤❤

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Have chem exams today, you just saved

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how did it go

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Good to hear. My exam is on Monday@@ZuzeniChimtengo

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You dey teach abeg😫😫🤲🏾 Where have you been😭😫 I can now miss chemistry classes with full confidence that im definitely learning better than those that attended

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You holy god of chemistry! I have a final tomorrow and I'm trying to study and pack at the same time and this is saving my butt!

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Thanks ❣️❣️I think I will be able to answer anything relating to buffer, all thanks to you 🙏❤️

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Very nice, well explained ❤

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Tnx alot ~the organic chemistry tutor

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Legend... thank you is simply an understatement 😎👍

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this is what i needed yesterday :> super thankful

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Awesone video thanks O.C.T😍 Can the solution to no 5 be sent?

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thanks we're just now reviewing this and i just wanted to brush up and make sure i remember because i learned it so long ago. now im doing pchem and i am 6 years old

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Youre 6 years old?

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wait what, did I just read this right? You are in sixth grade?? Wow mind blown!

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cap

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Why didn’t my prof make it this simple. Respects from Toronto g

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Hey man I really love your videos. I just wanted to offer a little advice if you plan on continuing to make videos in the future. With your audio, you have quite harsh "s" sounds. Try taking a look into what's called a DeEsser it will make your audio a lot smoother. Love your videos man keep up the good work.

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What are you talking about? I love how his "s" sounds.

[@Robert-xn3dc]

@@tejasvinirai553 I worked in audio editing for a while, so it may stand out to me more than most. However I believe if you as anyone who edits audio they will agree with me. I am glad you enjoy the sound. The advice is not for you.

[@tejasvinirai553]

@Biq Skux I know for whom it was. Even my answer wasn't specifically for you. Since you expressed your opinion, I expressed mine to let it be known that the thing which annoys you, is actually liked by some people.

[@Robert-xn3dc]

@@tejasvinirai553 Well now you aren't actually reading my comments at all and are assuming you know what I am saying. I didn't say it annoys me at all. If i was a mechanic driving a friends car which was making a funny sound I would tell them because I want to help them. I am simply offering something I learnt in the field of audio editing because I enjoy this channel and content. You are completely welcome to share your opinions I have no issue with it. I am simply stating that regardless of you opinions mine is not for you.

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This helped me so much thank you !

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Thank you so much! Cleared up some confusion for me!

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Please do a video on symmetry operations 🙏🏽🙏🏽

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Can't thank you enough. Thank for the sharing of knowledge God bless you

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You’re a lifesaver bruh

[@maziecase7845]

why do u add the Na😭😭😭

[@chioma3725]

Because Na will dissolve and seperate from the other ion (ex: NAF -> Na + F). Itll be a spectator ion and basically irrelevant for now. (When something with Na is put in water(aq), for example NaF again, you'll be left with Na ion and F ion, but in the video we only care about the F ion (Now by itself) because its the conjugate base we wanted to add. Basically, its an easy way to add our conjugate. I hope this makes sense! 😂

[@chioma3725]

If you know SNAP ions this is so much easier to explain

[@AhmedhowGooner]

​@chisom3725 why not write the conjugate base

[@jhayOfficial]

A salt is formed by replacing hydrogen atoms in the acid by a metal...Know concept of Buffers and then add what I've just said. It would make sense.

[@chioma3725]

@AhmedhowGooner you can but that would be in the net ionic or overall equation - discrete ions dont exist so thats just how they add it and show that in the *balanced* equation

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An absolute godsend. My teacher would rather talk about politics and Hollywood and make annoying ass sounds than teach us the course.

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That sounds like a nightmare

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Just in time, thank you so much

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Just reached 5million subscribers!!!

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OMG AN AMAZING CHANNEL BRO. THANK U. Making learning easy.

[@Sunrise-wy5bz]

Please make video on salt hydrolysis and their ph calculation

[@brayancamargo2048]

Very cool! Thank you organic chemistry tutor !

[@jeisongarrido7376]

thanks JG!

[@wesleybutler1868]

Isn't the conjugate base of a weak acid a strong base? That's what my teacher taught us this year.

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Your videos are perfect

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Appreciative work

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Thanks for the fantastic explorations

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i love all ur video , u are amazing bro keep it up

[@MichaelMuselela]

Thank you 😊 school made easy ❤

[@ayasaabne7745]

beautifully explained however i didn't understand why buffer solution must have both weak acid and its conjugate salt also if HF is a weak Acid isn't the floride anion supposed to be a strong base? i don't understand why it's considered as a buffer solution