Mole Ratio Practice Problems 

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😎

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

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

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!

Tyler, I have to say, for Chemistry, you have DeWitt...

I wish every chem teacher could teach like you. You have a gift. Thank you so much for sharing your brain and gift with us. :)

"To me, conversion factors don't make any sense at all." Finally, someone who is really good at this stuff while simultaneously agreeing with my opinions on the subject.

Anyone who takes chemistry will learn to love this guy

Is this how anyone else plans on passing chemistry class?

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 !

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!

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

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.

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

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!!!!

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

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

I FREAKING LOVE YOU. I HAVE AN EXAM TOMORROW AND YOU SAVED MY LIFE. I'm naming my firstborn after you. (Not really but I did consider it).

11:48 every time I fail my chemistry test.

If it was not for you I SERIOUSLY would be failing chemistry !!!! YOU ARE AMAZING !! KEEP ON TEACHING

Thank you so much, my chemistry teacher dosent really understand the concept of "teaching" so i was very confused during class, and this helped me a lot

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!

Your way of explanation is so cool. It seems as if I know everything when I see your videos but whenever I read textbooks or listen to my teacher's lecture I literally don't understand it. This topic seems to be so easy to me after seeing your videos. You make us learn and understand everything from the basics. You have seriously got a lot of patience. Thanks a lot. This has literally helped me a lot.

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!

i understood more from u in 20 minutes then i ever did with my teacher in a whole month. thank u so much for this.

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

As a chemistry teacher, Tyler's videos are on all my assignments as an additional support. Students miss, need to review outside of class, etc. These are the best videos for my general students. Thanks!

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.

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

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

Thanks so much man. I've been using a bunch of these videos to save my grade. You are 100x better compared to my irl teachers, it really shows how much you care.

I am 25 years old taking chemistry for the first time for nursing school, it is the most difficult class I've ever taken. I want to cry after class each day, but I've been reviewing your videos after each lecture and concepts are slowly making sense for me. THANK YOU MAN

I really cannot quantify how much appreciation i have got to show when i watch your videos...you impact knowledge sooo effortlessly, Thank you loads.

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!

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.

@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?

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!

You break things down into such an understandable language and concept. THANK YOU!!!!

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!

BTW, you are the best chem teacher I have ever seen. You have an amazing gift and you are using it to your advantage, thank you so much and plz don't stop doing stuff like this.

Your videos have got me through chemistry! I am now a peer tutor for the subject at my college. I create custom chemistry videos for my peers to help with specific problems.

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

Your videos are so clear, clean and really understandable. I love your visual aids.

YOU ARE MY HERO! I had literally no idea how to do this and was struggling in chemistry and then I found the videos you made and they have saved my grade and my love for science. You are the man!!!

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!

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

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!

Utterly perfect .... I am an older Mom and your videos have been fantastic to teach me a subject I haven't looked at in 40 years so that I can teach my grade 11 son this stuff.. I now know chemistry inside out. You are a great teacher.

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

Watching tour vids are easier then going in for tutoring

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. 😀

You are a genius! I love the way you teach chemistry, thank you so much for doing this. You have a gift that not a lot of people have

This guy has saved my grade so many times.

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.

tyler your teaching is so clear and simple , thank you for these videos, you are what is making me learn more about the subject properly unlink my own college professor.Thanks again Tyler!

Thank you so much for this! The recipe concept has completely changed my thinking on conversion factors, which were like a foreign language to me. I was previously just mimicking the examples in our lab sheets without knowing at all what was going on. Now I can see how conversion factors work.

I'm so incapable of paying attention to chemistry that I got distracted by the fact that he doesn't have a wedding ring and started thinking in my head "damn, I hope he finds someone soon" and "how can he be single? He seems like a nice guy"

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

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.

You have a talent of explaining intricate concepts in a very simple way👏👏 Thanks for the great video! Really helped me ALOT!

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

I'm so grateful that this guy exists

I needed a refresher on this and one of your old videos was perfect! Thank you, Tyler!

Youre videos are getting me through Chem this semester. Thank you 1000x!!!

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

You sir, deserve respect.

I can't believe how easy you are making this. Can my tuition money go to you instead? WHY am I spending hours and hours in chemistry only for them to over-complicate everything??!?! i love u.

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

OMG THANK YOU SO MUCH! I was so lost in class and this really just helped me tremendously

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!!!

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!!!

Finally somebody who can Truly EXPLAIN something!! This actually makes sense and I was struggling so much with other teachers and videos. Great teaching just amazing

I'm giving my first born child to this man for helping me pass Chemistry

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

7 hours before exam time and I understand what I don’t understand now! Thank you, Tyler! I will be donating!

You are one of the most powerful smart tutor I ever met... You are really gifted to transfer knowledge. Thanks so much sir..

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

Goddamn right conversion factors make no sense. Huge help man

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.

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 .

thumbs up, clear and concise beautifully done

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

IN LOVE WITH YOUR TEACHING TECHNIQUES 😭 blessed to find your RU-vid channel .

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

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

its all clear to me now, thanks!

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

I sat through a 55 minute lecture and learned absolutely nothing I sat through a 20 minute video and learned everything on the topic! You are a hero to me!

You are the best.

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

Tyler DeWitt, I don't know what I would do without your Chemistry help! God bless you!!!!

He is better than professors to teach chemistry... omg you make chemistry so easy and fun to learn. Thank you

Wow the recipe is so much easier thank you so much

BRUHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH...be my father

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

Clarity of concept and engagement of students' attention is excellent.

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

Still watchhing in 2019 🤘🏼

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.

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!