MCAT Math - Henderson Hasselbach, Buffers, and Logarithms
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- Опубліковано 20 сер 2024
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Join me as I show you one of the most common and feared applications of MCAT math. Logarithms.
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you are the only person i found that actually sat down and worked through a MCAT like problem with HELPFUL tips. GOATED
Nobody has time for videos that aren’t effective! Thank you for the kind words!
You guys are actually amazing. Easily the best MCAT UA-camrs to date.
Thank you so much! We’re happy you like the videos!
John and Maggie. I can’t express how thankful i am to have found your channel 🥺🥺
We’re thankful to have you here!
btw there is a trick for doing all of this without having to use the equation. first, you determine pKa, which was explained in the video. next, you determine if the acid or the base has higher concentration. whichever has the higher concentration in solution will affect the buffer pH in its favor. in this example, h2co3, the acid, has a higher concentration; therefore, the buffer pH will be lower than the pKa. If the base concentration was higher, then the pH would be higher than the pKa. Finally, you determine the difference in concentration in terms of order of magnitude. 50 M is 1 order of magnitude larger than 5 M. Now all we have to do is subtract the order of magnitude from the pKa (subtracting because the acid was higher concentration and must be lower than pKa, if this was a base, we would add the order of magnitude to the pKa). We take 7.5 and subtract 1 and we get our pH of 6.5. This works very well for the MCAT because the concentrations of the acid and base are clean numbers that are usually divisible by 10. hope this helps someone :)
has this universally worked for you? :o
@@yk5044 yes! Try it on some uWorld questions. Thankfully didn’t get any on my actually test, but it was very helpful during some FLs
the entire MCAT is memorizing tricks like this
no real logic is needed
Dude and your dudess, you can make a full-time career as MCAT tutors. We have enough doctors already. Good job.
Haha appreciate the support!
LMAO not the dudess
Lmao!! dudesss i am stealing this
You are killing it, keep it up.
Thank you, that's the plan!
Thank you. Thank you. Thank you. - (Working RN, and serious non-trad applicant, who is applying to medical school next year)
My wife is an RN and she's the most amazing person I know so cheers to you for working that job too!
@@InformingFutureDoctors That is so awesome to hear, whoa - talk about a power (healthcare) couple, thrilled that so many can benefit from your family members' contributions to the healthcare field! (Hope you both are staying safe and well btw!!) I want to email you and your sis too about my med school app for next year, I was kindly (very diplomatically) told that rewriting my PS may be a wise move so if you and/or she help with that in the future I'd possibly be interested. I am also just starting research (tried for many months to get some research done, but better late than never) so hopefully I'll practice more writing with that project now. Thank you (both) again for your time, you are helping to make the med school goal attainable for a number of us, and we greatly appreciate it!
I just remember that whichever is higher wins the proton
pH>pKa = solution wins the proton, substance is deprotonated
pKa>pH = molecule wins the proton
You just need to remember pH regards solution and pKa regards the molecule
I am actually watching this video for Medical School as a review! Thank you so much!
👀 you adding some pressure to me now lol
Can you pleaseeeee do a vid on kinetics and thermodynamics?
Thanks for the suggestion!
forreal
take my wallet! I love your videos thank you so much
Wonderful videoo! God bless you both
love it. testing 8/26
8/26 doesn't know what's coming for it!!
good luck
Is there a Calculator for use on the MCAT exam?
Nope
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