@carta_13just consider paying for Patreon a thanks for his work, one view = 0.0026 dollars or less. That means you're just paying that amount and you're paying for your school tuition yet you're learning more from him?
Thank you so much! I have a test soon and I couldn't go to school for two weeks because of Covid, so I missed half of the Unit, but thanks to you I understood everything in an hour and it is going to help me a lot. You saved me and I owe you a lot lol. Thanks!!
Professor Organic Chemistry Tutor, thank you for an exceptional explanation of Molarity, Molality, Volume Percent, Mass Percent and Mole Fraction in AP/General Chemistry.The practice problems uses conversions and well known formulas to calculate Molarity,Molality, Volume/Mass Percent and Mole Fraction. Conversions is very important in all levels of Chemistry. This is an error free video/lecture on TH-cam TV with the organic Chemistry Tutor.
0:51 "The solvent is da stuff that is doin da dissolvin" I am not even joking when I say this: the way you talk literally makes in easier to listen too, and easier to learn. I love it! Everything about you videos is MUAAAH! *chef's kiss* "perfect"
You have no idea the relief I felt when I type the topic which I didnt even really know the exact title and your video appearing at first place one night before my exam Thank you
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1. Find mole fraction of glucose in 5% solution which is used as normal saline. 2. There are two solutions of one substance. The osmotic pressure of the first one is less than that of the other one. Which solution freezes at lower temperature? 3. What is the depression in freezing point of 1% albumin solution? The molar mass of albumin is 68000 g / mol.
Thank you! I have been going through my chemistry assignment and had some issues understanding some of the questions bc of how they were worded in the workbook! This saved me and I'm confident I can complete my assignment on time 😊
I hope you will read this, but I would like to know (14:09) why is the 150mL of H2O was the solute? From what I have solved from that problem it is supposed to be 19.8g of methanol instead of the water so the mass percent of the water is supposed to be 11.7% not 88.3%. I am a fan of your videos I hope you could correct this for us.
It's not that the water really becomes the solute, The mass percent could also be of the solvent rather than the solute. Water will not be solute. The solute is always the one in lower quantity. Don't write it in the exam that water becomes the solute
watching this the night before an important quiz, i really don’t want to fail nor can afford to but my brain just refuses to absorb information in class
Thank you, sir, for this tutorial. It really helped me. However, I do have one issue, which is that I'm a bit confused in the section concerning the decimal places you utilized in your answers.
To get the v% ,you have to first get the volume of solution.which is volume of solute + volume of solvent,i.e 150ml volume of solvent plus 25ml volume of soulute.. although methanol and water are substances that can be used in dissolving i.e they can both be seen as solvent.But, since the volume of water in this case is higher than that of methanol,he simply made methanol the solute and water the solvent.
Mass percentage and ppm are really simple lessons. Especially if we use the a-x method, the most difficult questions can be solved in the shortest time and with the best efficiency.
I literally watched my profesor videos for like one hour and did Not understand. Comes to watch this video and within 15 min I understand the whole concept.
suggestion: if you could not have the question written at the very top of the screen and move it down a bit. They become completely invisible if you pause to solve them on your own
Concentration - Free Formula Sheet: bit.ly/3YfzBTf
Chemistry PDF Worksheets: www.video-tutor.net/chemistry-basic-introduction.html
Full-Length Videos & Exams: www.patreon.com/MathScienceTutor/collections
Full 1 Hour 20 Minute Video: bit.ly/3GuiDXd
Bro most of us are students and paying monthly is a big struggle.
Thanks
@@bleon_co he is putting out 40 min vids bruh, if you want more, he gotta earn more out of it too
@carta_13just consider paying for Patreon a thanks for his work, one view = 0.0026 dollars or less. That means you're just paying that amount and you're paying for your school tuition yet you're learning more from him?
I’m going to become a doctor because of this guy, chemistry has always been my weak point. Thanks my guy ❤️
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Same.
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Is it just me or does he have an attractive voice and it’s very engaging like I want to continue learning
Not only you, 2.7m people are thinking the same
lol same
Yes o
You not the only person who thinks that I also find his voice attractive.
Thought it was just me.😂
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Yes.
I legit just learned this in class like today. Perfect timing lol.
just learned it an hour ago, still dont understand hope this video helps me
@@mohammedabdulal5069 same bro same
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Literally
me as well, I dont even look at my teacher's slides anymore i just watch his videos lmao
Thank you so much! I have a test soon and I couldn't go to school for two weeks because of Covid, so I missed half of the Unit, but thanks to you I understood everything in an hour and it is going to help me a lot. You saved me and I owe you a lot lol. Thanks!!
Hi ☺️
Professor Organic Chemistry Tutor, thank you for an exceptional explanation of Molarity, Molality, Volume Percent, Mass Percent and Mole Fraction in AP/General Chemistry.The practice problems uses conversions and well known formulas to calculate Molarity,Molality, Volume/Mass Percent and Mole Fraction. Conversions is very important in all levels of Chemistry. This is an error free video/lecture on TH-cam TV with the organic Chemistry Tutor.
0:51 "The solvent is da stuff that is doin da dissolvin"
I am not even joking when I say this: the way you talk literally makes in easier to listen too, and easier to learn. I love it! Everything about you videos is MUAAAH! *chef's kiss* "perfect"
i am taking chem 2 this semester and i started last week with this type of stuff
amazing timing lol
bro your channel is so good, it doesnt matter what im learning in school, as long as its stem, i can be sure youve covered it better than my teachers.
You have no idea the relief I felt when I type the topic which I didnt even really know the exact title and your video appearing at first place one night before my exam
Thank you
i've been watching some of your content since high school to study for higher math topics, your chemistry videos helped me a lot during college. I just graduated from my undergrad program and i'm back here again at your tutorial vids to prepare for my med school admission tests. Thank you so much! u're a legend man!
This clarified all the questions that were unanswered by my lectures
Perfect timing for my Chemistry class
SAME DUDE
I struggled a lot in this lesson at school thanks to you i can understand everything ...i am starting to love chemistry.
You are the best i was struggling for days to understand all that now i can say I’m ready for my exam Thankk youuuu!!!🤣♥️
Wow this is perfect time, I’m literally doing these problems in my chem book right now. Like right now right now.
its been 3 months are you still doing the problem rn rn?
9 months still doing it? Rn?
Doing it for a year bruh still?
Still?
3yrs?
I'm glad to have you here sir thank you very much!
Guess who has an exam in the next 30 mins…
How'd it go
😂
@@noobwang3354 3 months , no reply yet. Bet we know how did it go.....
@@Snoopac_18 understandable
Got an example coming soon. Thank god for this video.
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I’d learned a lot.. This pandemic made me idiot but this video helped me in my subject promise. I even answered some critical solving problem in our chemistry this time.. I automatically subscribe to your channel 👍 💯❤️🤟🏻
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1. Find mole fraction of glucose in 5% solution which is used as normal saline. 2. There are two solutions of one substance. The osmotic pressure of the first one is less than that of the other one. Which solution freezes at lower temperature? 3. What is the depression in freezing point of 1% albumin solution? The molar mass of albumin is 68000 g / mol.
Rip
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Thank you! I have been going through my chemistry assignment and had some issues understanding some of the questions bc of how they were worded in the workbook! This saved me and I'm confident I can complete my assignment on time 😊
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I hope you will read this, but I would like to know (14:09) why is the 150mL of H2O was the solute? From what I have solved from that problem it is supposed to be 19.8g of methanol instead of the water so the mass percent of the water is supposed to be 11.7% not 88.3%. I am a fan of your videos I hope you could correct this for us.
gurl we have the same question huhuhu
now i know cuz girl u need to find the mass percentage of the water instead of the methanol so therefore the water becomes the solute hehe
@@tokki_II I see, hahaha thank you!
It's not that the water really becomes the solute, The mass percent could also be of the solvent rather than the solute. Water will not be solute. The solute is always the one in lower quantity. Don't write it in the exam that water becomes the solute
Here you need to find the mass percent of the solvent I believe so they've written it like that
youre the best, wow perfect timing
29:04 in this question- you can use the formula
p%×d×10/molar mass of solute
watching this the night before an important quiz, i really don’t want to fail nor can afford to but my brain just refuses to absorb information in class
Bro you know everything or what? ❤
Thank you, sir, for this tutorial. It really helped me. However, I do have one issue, which is that I'm a bit confused in the section concerning the decimal places you utilized in your answers.
me too. i tried solving it with my calculator the answers were correct just the decimals placed were different from the video
To get the v% ,you have to first get the volume of solution.which is volume of solute + volume of solvent,i.e 150ml volume of solvent plus 25ml volume of soulute.. although methanol and water are substances that can be used in dissolving i.e they can both be seen as solvent.But, since the volume of water in this case is higher than that of methanol,he simply made methanol the solute and water the solvent.
Thanks!
I salute you sir 👏 🙏 🙌 👌 👍 ❤ thank you so much. May God bless you for us🥰😍🤩.live long for us sir.
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Our exam is today, around 1pm. Wish me luck.
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Another great video. Thanks.
Guess who have exams in 2 days......
Edit: 46/65...., ehh good enough😅.
I'd like to apprecite the way you solved the 7th question
Mass percentage and ppm are really simple lessons.
Especially if we use the a-x method, the most difficult questions can be solved in the shortest time and with the best efficiency.
could you please tell what that method is
That was very clear and you made it so easy
Perfect timing dude thankyou
I literally watched my profesor videos for like one hour and did Not understand. Comes to watch this video and within 15 min I understand the whole concept.
Thanks Sir! Drink warm water for your voice hehe.
Brother, Some Amendments should be done !!! the mass percentage should be 11.66 approximately 11.7 %
suggestion: if you could not have the question written at the very top of the screen and move it down a bit.
They become completely invisible if you pause to solve them on your own
use theater mode. It makes it visible if you pause.
@@Automatic369 It did not work for me :(
thanks though!
Thank you very much 💐
So helpful as always!
THANK YOU TALAGA!!!!!!
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Amazing work
Thanks a lot bro.....I really understood this 😊