Mole Ratio Practice Problems

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Lots and lots and lots of practice problems with mole ratios. This is the first step in learning stoichiometry, for using a chemical equation to get mole ratios and using conversion factors and dimensional analysis on products and reactants.

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you have taught me this in 21 minutes but my teacher couldn't teach me this properly in one hour. edit:3 years late but i got an A in gcse chemistry thanks to you😎

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Honestly tho lol

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i ve been studying for three years now and only now i understood it

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My teacher doesn't even know how to teach and relates everything to football...everyone hates him and that class.

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the dislikes are the teachers being jealous of his amazing skill of teaching!

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Exactly

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??

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This video was made 9 years ago and still helping upcoming generations of chem students. RESPECT!!!

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12 for me

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A better change would be to replace "brain and gift" with "knowledge"

[@amandaurbshott1797]

At precisely 14:50 min mark, Tyler makes an error in calculation. The answer to the conversion of O2 to H2S is 6.2 (rounded) not 9.2. He quickly pushes foreword and finishes the conversion from O2 to SO2 with the correct answer. ;) He is a fantastic teacher. I just find that when a teacher doesn't acknowledge their errors, it can be very confusing to the pupil. :) Thank you for all the work that you do, Tyler!

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Glad I found this. This mistake almost threw me. Thank you.

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@@mrqwerty4792 sadly just a hopeless student here😆

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wow, i slept in class today....and because of this video, it was totally worth it.

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You're still out here saving the lives of students whose professors don't slow down and let us know what and why they're teaching. You saved another one from this monster of Chemistry. Bravo sir!

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Tyler DeWitt you make Chemistry fun. My professor is so boring when he lectures. He makes the problems seam so complicated and only goes through them once and moves on.

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My teacher with a phd in organic chemistry from oxford couldnt make me understand what u taught me in 15mins. u have my respect.

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[@dessa8242]

I don't know where do I start ;how do I give you my appreciation ,you aren't only solve the problem ,you also solve our brain problem ,by showing easy related things like recipes.

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How is it that I learned this in 20 minutes from some guy on KZbin but I couldn't learn it in a week from my high school teacher.

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Alexander Orozco same except my college teacher 😂

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Alex Orozco lol 😂 real talk cause want us to fail

[@egeusal2177]

same here( Oops i am 7 years late)

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My Teacher was only teaching us the conversion factor way and I didn’t get it. But when you explained the recipe way, the lesson became WAY easier. Thank you!!!!

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seriously i was in lecture today for 2 hours and didnt learn SHIIIIIIIIT ive been watching this video for 2o minutes I UNDER FUCKING STAND MOLES... Thank you your the BEST !

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My teacher has been explaining this for a whole week now. I didn't understand anything because he was going so fast and didn't explain it like you did. I have a quiz tomorrow and I stumbled upon your video! You're a great teacher and this explained it to me perfectly. Thank you so much!

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Is this how anyone else plans on passing chemistry class?

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so sad how teachers that work in schools hate their jobs as well as kids yet an AMAZING person like you will take the time out of your life to help students learn basically for free. Thank you!

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Honestly I didn't understand a THING while I was learning this in class. UNTIL right now, it is so clear and easy now. HOW. your're amazing honestly lol

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THIS IS THE ANSWER TO MY PRAYERS! I used to think chemistry was a breeze, then I encountered moles and stoichiometry. I thought I'd lost all hope but I found this video and I cannot express how grateful I am! I can now feel like the real life alchemist I once felt like :D (ya know, all the mixing and pouring and test tubes feel magical) Literally laughing with joy and eureka's in the middle of the night. Thank you!

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1.5 million views later and you're still seriously the best!

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“Hey, let’s party all night long with mole ratio problems” Why did I laugh at this

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I was gonna be screwed for my quiz tomorrow, after a week of class i still didnt get it but after a small 5 minutes of this video i feel like an expert. God bless. you are officially my dad

[@taylormancini1498]

Very good! You helped me actually understand this for once. Best online teacher ever!

[@marykling2120]

I am a high school chemistry teacher. I love using these videos to supplement my lessons. I like that Tyler shows "common sense" thinking and then shows the accepted math. In several videos, he states that teachers and textbooks "love" conversion factors. The reason for that is that conversion factors are the STANDARD. If you go to college, you will be expected to use conversion factors. You will look foolish if you don't know how to do it that way.

[@MrPrunecandy]

Very helpful. I am taking gen chem 1 over the summer (kill me) and my professor never explained why she did the ratio they way she did. She just rights the two numbers and never the units so i had no idea what she was doing. Keep up the good work!

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11:48 every time I fail my chemistry test.

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I'm getting it slowly as I replay the video over n over, but man does my head hurt.

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Same

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+James Garcia You both have the grit to keep at it. You will eventually get that aha moment where it will all come together. Trust me, been there, done that and had many headaches.

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we are going to get bald thanks to this stupid chem teachers

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Me 2

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I'm malding

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I have watched several videos on chemistry and by far you are the best on this platform. Amazing instruction, great tone and pace. His videos are excellent to use in conjunction with class material.

[@vincegredo]

I like the recipe way but my teachers want stupid conversion factors........ It's the conversion factors that screws me up in class

[@lynx4436]

+vince gredo forget that they're called conversion factors, if you're good with basic mathematical ratio and proportion, then do exactly that, and things will get simpler.

[@BralyssaRemakes]

I HATE THE CONVERSION FACTORS! it's literally the hardest way to teach someone something. i like the recipe too

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Think Logically!!

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Thank you so much Tyler! Your teaching methods are brilliant and I've learned more watching your videos then I have anywhere else!! You are a chemistry student life saver.

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I have never walked a way from one of your videos feeling like I was at all confused. Thank you so much for helping me pass chemistry!

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Damn its been 10 years since this video came out and its still helping people like me. o7 what a great person

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Ive been studying this stuff for WEEKS now and have been pulling my hair out. I watched this video ONE TIME and got them all right!!! You are amazing sir.

[@Gabriel-qu5fb]

@14:55 i think you made a mistake there also i did the one with the conversion and its 6.13333333333333(to the infinite) although technically they are both 6 moles but maybe i did something wrong?

[@richardotoo7820]

Yea it should be 6.1

[@hopelumpkin721]

I was wondering

[@rosialiciamartinez3917]

Good. I thought I was doing it wrong👍

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oh my gosh I thought I was the only one, so glad you asked

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I was also thinking the same

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Wow, this is amazing. You should seriously teach other subjects and cover everything in common core 2.0 and just post it. Every student in every school in common core 2.0 would be able to quickly look up your videos, and they would be instantly informed. This is literally black magic in its integrity. Amazing stuff. Please Please Please do this for math, history, trigonometry, etc.

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Well teacher, I am watching this after 9 years of the day it was published. Still solid as rock. You are way more better than my chemistry teacher lol.

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My chem teacher did'nt explain this well...she did not treat it as ratios...ive sat 2 hours for 2 times evry week in class not understanding a thing. Luckily there is you, making me FINALLY UNDERSTANDING HOW TO TAKLE THESE PROBLEMS...you made realise that its acctually ratios and this makes it easier. Thx alot!

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Tyler, thank you for all you do. I have been passing all my tests because of your detailed explanation. You never disappoint :) It was a struggle for me, but not anymore!

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zeckrin cuff so true.

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How does he teach me more stuff in 10 minutes better than my chem teacher in over an hour?

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Because a lot of schools don’t focus enough on hiring teachers that actually know how to teach, instead exclusively focusing on if they know the subject well enough What a lot of people fail to realize is that being good at something does not equal being able to teach it effectively whatsoever

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I know if I had better teachers that would just teach us the formulas instead of being all vague and using over complicated word problems and trick questions I would be able to do math better I can actually solve it pretty fast when I’m actually told how to solve it I don’t even need the answer for that specific question

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Like so many others have said, you are an amazing teacher! I have watched many other videos and have still been struggling. Thankfully I found your video because in 17 minutes my light bulb went off and the rest is history. THANK YOU!!!

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Ur the reason I'm passing chem so GOD BLESS YOU

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Watching tour vids are easier then going in for tutoring

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Teachers and textbooks are stuck in the stone age. I really appreciate the "recipe" formula. Thank you so much. Keep it up.

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I love how he says "all night long." Like yep we chem students study at night, last minute.

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Thank you. You are my go to for Chemistry. I sit through every class confused along with the majority of the students in clsss. So grateful. 😀

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After i finish my studies and all and finally be free... i will make videos like you. Because i realised... it helps people a lot. Im impressed by you. YOU ARE THE BESTESTTTTT TEACHER ALIVE! im SO damn HAPPY to GET to KNOW about YOU because NOW i CAN learn CHEMISTRY way MUCH easier THAN i THOUGHT😍😀 and i love chemistry nowwwww

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Your method makes so much more sense then what my teacher has been teaching 💖

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Thankyou so much! I couldn't understand stoichiometry all these years, I thought I was stupid but after your lessons I'm grabbing the concept behind it. you're a very good teacher

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yeah.. wow.. I laughed so hard when you said conversion factors make no sense.. uhh THANK YOU! I have only been saying this my whole semester. I should tell the dean of the school to cut you a check and fire our horrible professor. When we ask her for help she acts irritated like we are bothering her. Just discouraging. Thanks again!!!

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Maybe you are insulting her intelligence. That will do it every time.

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Bro, I love it. He's over here talking about all this conversion factor stuff being too complicated. You're so correct. I missed the first day my teacher taught on this stuff and the fact that I wasn't there, had no explanation of what we were doing, and was in an accelerated class meant I was so lost. If my teacher had just showed us this, I would have realized how simple it actually was.

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This man can teach me moles in 21 minutes more than my teacher can teach me in a month worth of explanations...

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I just want to say that, your videos are amazing. Your ideas are concise, the way you explain things is ordered, and most of all your illustrations are graspable. Keep on doing what you are doing man, can't stress enough how amazing these videos are!

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You sir, deserve respect.

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thank you for taking the time to make these videos. and thank you for your enthusiasm while teaching them too. I can tell you enjoy this very much and you definitely found your calling in life!

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i like how he said " all night long " lmao true im here BC I HAVE A CHEM EXAM TOMORROW ANd decided to study last min

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absolutely adore tyler. this man has helped me more than any of my actual teachers. just his way of explaining things is so fun, easy and remarkable.

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you should be the only person teaching chemistry thanks for making this easy

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only 6 minutes in & already learned more than I did in my 2 hour lecture yesterday... bless you kind sir!!!

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Goddamn right conversion factors make no sense. Huge help man

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Omg! You are a genius! The best proffesor ever! I wasn’t able to understand this all the semester and you explain so clearly that I understood in few minutes .

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When I don't know what my textbook is saying I just look it up on Tyler's channel

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I can't believe that he can make it look so easy. In textbooks and schools, they teach it in the most complicated way. Thanks

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I wish you could take all of my chemistry tests 😢😧

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I love how he is so passionate about teaching, every words come out of his mouth is like music to my ears.

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Thank you so much! My techer doesn't know how to teach and stiochemetry is scrambled eggs to me. This helped!

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good job

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My favorite channel to go to when it comes to friggin CHEMISTRY Other channels make videos thinking i could understand the phrasing and processes easily THIS GUY IS DA BOMB

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Do you have videos on balancing simple chemical equation types: (Synthesis, Decomposition, Single & Double Replacement)?

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This video helped so much. For people who can't learn from text books or lecture halls this is beyond valuable. Thank you

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Still watchhing in 2019 🤘🏼

[@jhondoe_2008]

I was stressing trying to understand this concept but the way u teach made me realize how easy this is. Thank u Tyler

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Bradley Prentice "be my daddy:)"

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My Chemistry teacher couldn’t get me to understand this concept for a whole 3 hours. Thank you Tyler