Atomic mass and atomic weight are the same thing--they are both the average mass of atoms of an element. It's mass number (not to be confused with atomic mass) that is the mass of a specific isotope.
It is hard for me to understand math and I am a visual learner. When you add all the colors and all the drawings in your teaching I get it!! You are an awesome teacher... :)
I COULD NOT THANK YOU ENOUGH!! I THINK YOU ARE THE GREATEST TEACHER OF ALL TIME BECAUSE I ONLY UNDERSTAND YOUR WAY OF TEACHING!! THANKS SO MUCH! I APPRECIATE YOUR HELP!!
Mr. DeWitt you are literally my favorite educator on youtube. You have saved my butt countless of times. I'm currently in 10th grade and my chemistry teacher is really rude and mean so I'm pretty scared to ask her question, and even when I do she either won't answer them or answers them inadequately. I would just like to thank you for all these videos that you make. -Jack
I love this man, my online classes make it so difficult to learn something I’m not quite understanding, but the way this guy explains things makes everything so much easier, and makes me feel dumb for not getting it in the first place lol. THANK YOU TYLER!!!!
when my Chem professor was explaining this I could not understand how to do it to save my life. I watch one video and it seems like basic elementary school math. Thank you so much, Tyler. You are a saint
TYLER!!!! This is so crazy that I'm finding you here talking about isotopes! I'm doing this course with Creative Live with my friend James Wedmore on TH-cam Marketing and I'm doing a keyword search on TH-cam for "abundance" because I'm coming out with a book on money in the fall...and I saw that relative abundance was a common searched term. And now here you are talking about it - but in a totally different way than I thought. Crazy freaking small world!
good question, i’m trying to figure that out right now too😅 my question is asking to find the abundance for 2 isotopes while i have the abundance of 1 and the atomic mass
Thank you so much!!! You saved my life for my CHM class. I had no clue as to what to do for homework or even when the professor was teaching......i just didn't get it at all, until now. Now i understand chemistry. Thanks to you. I can breath now!!! Thank you, Thank you, Thank you so much!!! I love and enjoy they way you teach the problems.
Thank you so much, Mr.DeWitt. You taught it so clear that I could understand every single thing!! I wish you were my chemistry teacher that teaches at my school!!
Thanks a shit ton man! You're videos have been really helping me with chemistry. You explain things so much simpler than my chem teacher it's ridiculous.
I am taking my general chemistry class and i wanna study in advance about the abundance of isotopes, wow just wow i understand what ur talking about, it just feel so different from just listening in class and the professor just keep talking and its all like non sense to me like ill never get to understand this topic. Thanks man, because of you i can answer all the question and recitation by studying in advance. Thank uu!
Hey everyone, I'm here to help. If you have any questions or just want to learn more, click on the link in the description above. It'll take you to a page where you can ask me questions.
I would appreciate your assistance in solving this. Silicon has three stable isotopes, 28Si, 29Si and 30Si. The heaviest isotope has a percentage abundance of 3.1%. using the relative atomic mass from the periodic table, calculate the percentage abundance of the lightest isotope to one decimal place
Thank you, thank you sooooo much for your videos. I'm in college and I watch your videos instead of coming to class because you are infinitely more helpful than my professor. Thank you!
If the question, for example asks, "A sample of Chlorine gas the same atomic mass stated on the periodic table. There are two known stable isotopes of Chlorine: Chlorine-35 and Chlorine-37. Calculate the percent abundance of each isotopes in the sample." How would I answer this question if it doesn't tell the atomic mass of Chlorine 35 and 37?
boning up for our final on friday and once again Mr DeWitt to the rescue!! you are a huge reason of why i am even close to passing, sir. eternal gratitude
Tyler DeWitt Hi Tyler, What if you have 3 isotopes instead of 2. What does the third isotope become if we already have an (X) and a (1-X) attached to the first two isotopes?!?
Hi Tyler, first thank u for the great explanation! I have a Q which is how can I calculate 3 isotopes abundance. For example, calculate the three isotopes S-32, S-33 & S-34 and tell which of them is more abundant. Regards
The video helps me a lot. Chemistry teachers in my school make the calculation complicating. Really thx a lot. I know how to complete questions with simple and straightforward methods.
Hey man thanks an bunch for these videos this is the second one I've seen. I'm taking a Gen Chem class and so far this has been major help. Just wanted to let you know you're greatly appreciated.
I love your videos! Your method makes them so easy to understand. This is one that my professor gave me, but i am confuse. How can i use your method in this problem. Silver exists as two isotopes with atomic masses of 106.9041 and 108.9047 amu. Determine the average atomic mass for silver if the % abundance for each isotope is 51.82 and 48.18%, respectively. Can you show me with your method please? I would really appreciate it if you are available.
what if you have 3 or 4 isotopes and there are no percent abundance given. the only given value is the average mass of the isotopes how will I solve it?
How to Fоrcе the Universe to Maаnifest Yоur Dream Life twitter.com/2b221f57eb75c29b8/status/804630629388152832 Atomic Maaass Hоw to Calculate Isoоootope Abundance
Hey! I’m here to help, I was also confused😅 but I investigated and -7.016-7.016= -14.032 And then you add -14.032+6.941= -0.75 lol I didn’t realize this comment was 10 years ago😂 sorry for being late😢
Mr. Dewitt thank you so very much for this tutorial. My concepts are so clear. Could you please do a series on A levels Chemistry syllabus topic wise tutorials? Bless you
+Marie Khabbaz You always use 1-x. Both fractional abundances (percent abundance in decimal form) must add up to 1 (just as both percentages add up to 100). If the first fractional abundance is x, then the other fractional abundance is 1-x. For example, if the first fractional abundance is 0.40, then the second must be 1 - 0.40 or 0.60. You then see that 0.40 + 0.60 = 1. If the first fractional abundance is 0.85, the second then must be 1.0 - 0.85 or 0.15. The 2nd fractional abundance is the rest of the fraction that the first fractional abundance didn't take up.
Tyler, do you wake up every morning with a smile on your face knowing how many lives you've saved?
I have a quiz tomorrow and boy oh boy I love this man lmaooo
Good call!
How do I get this guy as my Chemist Teacher?
You'r really love him 😍
Preach
As far as I'm concerned this is the best channel on TH-cam
PocketPick Mundo I couldn't agree more
PocketPick Mundo what about PewDiePie???
OH MY GOD THANK YOU SO MUCHHHHHH
@@srikarvetcha8894 do you know an opinion
@@srikarvetcha8894 i think they meant for science
Atomic mass and atomic weight are the same thing--they are both the average mass of atoms of an element. It's mass number (not to be confused with atomic mass) that is the mass of a specific isotope.
the best teacher in chemistry and i understand your teaching and thank you for your kindness to us
You and who😏
True.
This gives me hope in chemistry
Josefine Heyy same😂😂
instead of paying 17,000 dollars worth of tuition i might as well just pay you
because some people go to good universities and they cost money.
@@vikrambankhele630 we're not all Boomers man
It is hard for me to understand math and I am a visual learner. When you add all the colors and all the drawings in your teaching I get it!! You are an awesome teacher... :)
Best teacher on TH-cam for chem by far✌
OMG, you explain concepts so precisely an patiently. Thanks a million.
I COULD NOT THANK YOU ENOUGH!! I THINK YOU ARE THE GREATEST TEACHER OF ALL TIME BECAUSE I ONLY UNDERSTAND YOUR WAY OF TEACHING!! THANKS SO MUCH! I APPRECIATE YOUR HELP!!
The way you explain things is so much more simple than they teach in school, thank you for existing and sharing your knowledge 🙏🏻
you are the best.
Hi
Mr. DeWitt you are literally my favorite educator on youtube. You have saved my butt countless of times. I'm currently in 10th grade and my chemistry teacher is really rude and mean so I'm pretty scared to ask her question, and even when I do she either won't answer them or answers them inadequately. I would just like to thank you for all these videos that you make.
-Jack
GOD BLESS YOU TYLER DEWITT!!! THANK YOU!
--says every confused chemistry student after they watch your videos
I love this man, my online classes make it so difficult to learn something I’m not quite understanding, but the way this guy explains things makes everything so much easier, and makes me feel dumb for not getting it in the first place lol. THANK YOU TYLER!!!!
when my Chem professor was explaining this I could not understand how to do it to save my life. I watch one video and it seems like basic elementary school math. Thank you so much, Tyler. You are a saint
BRO THIS GUY TEACHES BETTER THAN ANY TEACHER AT MY SCHOOL! he is so good at explaining everything. UR AWESOME AND THANKS A LOT FOR THE VID:)
TYLER!!!! This is so crazy that I'm finding you here talking about isotopes! I'm doing this course with Creative Live with my friend James Wedmore on TH-cam Marketing and I'm doing a keyword search on TH-cam for "abundance" because I'm coming out with a book on money in the fall...and I saw that relative abundance was a common searched term. And now here you are talking about it - but in a totally different way than I thought. Crazy freaking small world!
What if there are 3 isotopes? how can we tackle that problem?
Hamza Ali tThere is not a question like that,unless they give u one of istope’s percentage
devid them by ther pirsent and then add them
@GT Talks True, finding the percentage is legit the purpose of the problem -_-
good question, i’m trying to figure that out right now too😅 my question is asking to find the abundance for 2 isotopes while i have the abundance of 1 and the atomic mass
@@valentinacastanoo that's super easy. It is done in the Same manner. But the third we be called different
I was so frustrated with this topic and now you made it so much easier! Thank you!!!
Thank you so much!!! You saved my life for my CHM class. I had no clue as to what to do for homework or even when the professor was teaching......i just didn't get it at all, until now. Now i understand chemistry. Thanks to you. I can breath now!!! Thank you, Thank you, Thank you so much!!! I love and enjoy they way you teach the problems.
This guy saved my gcse and now my Alevels
Dont know if u still check ur channel after these years, but man u did a great job These videos benefits me a lot and yes u saved my life
Thank you so much, Mr.DeWitt. You taught it so clear that I could understand every single thing!! I wish you were my chemistry teacher that teaches at my school!!
Thanks a shit ton man! You're videos have been really helping me with chemistry. You explain things so much simpler than my chem teacher it's ridiculous.
I am taking my general chemistry class and i wanna study in advance about the abundance of isotopes, wow just wow i understand what ur talking about, it just feel so different from just listening in class and the professor just keep talking and its all like non sense to me like ill never get to understand this topic. Thanks man, because of you i can answer all the question and recitation by studying in advance. Thank uu!
Hey everyone, I'm here to help. If you have any questions or just want to learn more, click on the link in the description above. It'll take you to a page where you can ask me questions.
I would appreciate your assistance in solving this. Silicon has three stable isotopes, 28Si, 29Si and 30Si. The heaviest isotope has a percentage abundance of 3.1%. using the relative atomic mass from the periodic table, calculate the percentage abundance of the lightest isotope to one decimal place
I'm not kidding when I say this guy saved so many lives. Thank you.
you are the greatest!!!!! You helped me with my maths and chem!!!!!! Wish you were my teacher back in high school!!!!!!
Lol at 5:39 when he emphasizes the value is negative..lol
+34.97x - 36.97x = -2.00x (he almost forgot the negative, thats why its stressed)
That’s the kind of excitement levels that are very much needed in my life
I have a teacher who teaches nothing and expects us to know everything. You help me sooooo much!!! Thank you.
Even though I am a parent of a daughter taking chemistry, I love the way he teaches Chemistry!!!! Very clear
Thank you, thank you sooooo much for your videos. I'm in college and I watch your videos instead of coming to class because you are infinitely more helpful than my professor. Thank you!
i love you tysm 10 years later you're helping me pass my chem class
If the question, for example asks, "A sample of Chlorine gas the same atomic mass stated on the periodic table. There are two known stable isotopes of Chlorine: Chlorine-35 and Chlorine-37. Calculate the percent abundance of each isotopes in the sample." How would I answer this question if it doesn't tell the atomic mass of Chlorine 35 and 37?
Mr. Tyler you are just like my private tutor and if I get full marks for chemistry you are the reason. Thank you Mr. Tyler.
Thanks a bunch!
The only science teacher, that makes the science I know and love into....FUN!
sir ur such a great tower of light for people who cant afford such tuition at all . thanks alot, may GOD bless u for this great utility #muchlove
I have one question in min 10:31 where did u get -0.075 I’m confused😅
thank you for doing a better job than the chem prof I paid for
he reminds me of the real life version of fred from scooby doo
is that your only concern
@@abuabid6689 hah
I love u ur teaching is amazing and so clear ur a miracle.
Thank you so much, your organization and ability to teach so well is very appreciated.
sorry but why did you round to the 3rd significant figure? 10:50
boning up for our final on friday and once again Mr DeWitt to the rescue!! you are a huge reason of why i am even close to passing, sir. eternal gratitude
I like the way he teaches Chemistry - Directly to the point.
Thank you for all the time you put into your videos. They have helped me so much this semester. You're amazing!
Thank you soooo much, I have taken my assessment for this topic and I passed without dying trying! THANK YOU! you are absolute legend!
I’m so thankful for this video.. I have a chemistry test tomorrow and I had no idea how to do this.
I have been trying to understand this for a week. Why can't my professor teach it like you 😭😭😭😭😭. Thank you thank you thank you
Thank you so much. I paused the video for the second equation and i did it all by myself. Im so proud. Thank you for teaching us Tyler.
-Victor
You are the best teacher in this world.I wish you were in my school.
I have this exact question in one of my worksheets. I have a test tomorrow, and this seriously made me feel so much better!
This was very helpful, thank youu Tyler! :)
I've been dying for this lesson!!! To bad my unit test was on Tuesday:(
Hi Tyler,
How do you know which isotope to set to x and which one to set to (1-x) when solving for the abundance?
it doesn't matter. you can do either one.
Tyler DeWitt Hi Tyler, What if you have 3 isotopes instead of 2. What does the third isotope become if we already have an (X) and a (1-X) attached to the first two isotopes?!?
dude Idk what students would've done without you.
Hi Tyler, first thank u for the great explanation!
I have a Q which is how can I calculate 3 isotopes abundance. For example, calculate the three isotopes S-32, S-33 & S-34 and tell which of them is more abundant.
Regards
thanks for the video. it helped a lot and you're a seriously good teacher because you explained everything so clearly and not in a boring way too.
They say science is discovery, I just discovered the best Teacher ever in this course and i hope he takes other courses.
Dude, you're lifesaver man, much ghx
possbily the best teacher i've ever seen!! thank you so much!
Thank you so muchhhh this definitely helped sooo much ❤ Hope you have an amazing day ❤ God bless you !!!!
THIS LITERALLY GAVE ME THE ANSWER TO MY HONEWORK IT HAD THE SAME EXACT PROBLEM THANK YOU
Gosh! You explain so simply to understand, IMO. Thanks
The video helps me a lot. Chemistry teachers in my school make the calculation complicating. Really thx a lot. I know how to complete questions with simple and straightforward methods.
Thank you so much!! You've perfectly explained a concept that my professors could not. Keep up the great work!!
these videos are the only thing keeping me from dropping honors chem😪😪😪
Hey man thanks an bunch for these videos this is the second one I've seen. I'm taking a Gen Chem class and so far this has been major help. Just wanted to let you know you're greatly appreciated.
I love your videos! Your method makes them so easy to understand. This is one that my professor gave me, but i am confuse. How can i use your method in this problem. Silver exists as two isotopes with atomic masses of 106.9041 and 108.9047 amu. Determine the average atomic mass for silver if the % abundance for each isotope is 51.82 and 48.18%, respectively. Can you show me with your method please? I would really appreciate it if you are available.
Thank you so much, now I know how to solve for the % abundance. 💯
I love how excited he got when he forgot to put the negative before the 2.00
Thank you for this!! My chemistry teacher is not the best in teaching and you helped me a lot!
Thanks Tyler for being an amazing teacher. You saved me multiple times while I was studying for my quiz/tests :) I'm so so grateful!!
I love chemistry - even though it is hard - you make it a lot easier in bits I don't understand. Thanks!!!
what if you have 3 or 4 isotopes and there are no percent abundance given. the only given value is the average mass of the isotopes how will I solve it?
How to Fоrcе the Universe to Maаnifest Yоur Dream Life twitter.com/2b221f57eb75c29b8/status/804630629388152832 Atomic Maaass Hоw to Calculate Isoоootope Abundance
Tyler, you are a wonderful teacher.
i want ur more videos regarding to the chemistry.... u explain very well..so can u send me ur link?
This is the most amazing explanation in the world. Thank you so much.
Thank YOU! I’m glad you like it!
You saved my life. Thank you for clarifying the subject.
Bruv I would've failed without you so tysm
Tyler, you are a good teacher.
The best chemistry teachers I have ever seen and u r so kind for us thank u teacher tyler but I can't find recent vedios all are 8 9 10 years ago
You are awesome! LOVE ALL OF YOUR VIDEOS, THEY HELP SO MUCH.
You should be my teacher
Аrе Yоu Оn Тhe PРath То Ultimаte Life Suсcess? twitter.com/99b8dbff099e6c65e/status/822777137924931585 Аtоmiс Mass Hоw tо Calсulаtе Isоtopе Аbundаnсe
Wow I was having so much problem in this and this video made me understand it so well, you did an amazing job.
You're amazing for explaining that so clearly! Thanks!
Literally a million times better explanation than my exam guide
I'm completely stuck when it comes to finding the abundances of more than two isotopes. (Magnesium in this case) :( cant find any videos showing those
hi mate !! first of all, thanks a lot for your passion! but i can t understand how can you obtain - 0.075 on minute 10:25?? cheers from italy!
Hey! I’m here to help, I was also confused😅 but I investigated and -7.016-7.016= -14.032
And then you add -14.032+6.941= -0.75 lol I didn’t realize this comment was 10 years ago😂 sorry for being late😢
Why did you substract 36.97 twice ?????? Where did you get those from?
u could just do basic algebra
will substituting 1 with .100 give the same answer usually?
You're the best. Really appreciate what you did here my dude. Helped me a lot
Absolutely outstanding skills to explain! I shall succeed in my Chem class thanks to your videos! Thank you
Thank you so much for the break down and slowing down so I can understand.
Thanks so much. I didn't really understand this in class and some other videos weren't very helpful.
Thanks u made it really easier
always a new thing is learnt as i check your videos. thank you very much
Mr. Dewitt thank you so very much for this tutorial. My concepts are so clear. Could you please do a series on A levels Chemistry syllabus topic wise tutorials? Bless you
Can you always use x and x+1 or is that only for this problem
+Marie Khabbaz You always use 1-x. Both fractional abundances (percent abundance in decimal form) must add up to 1 (just as both percentages add up to 100). If the first fractional abundance is x, then the other fractional abundance is 1-x. For example, if the first fractional abundance is 0.40, then the second must be 1 - 0.40 or 0.60. You then see that 0.40 + 0.60 = 1. If the first fractional abundance is 0.85, the second then must be 1.0 - 0.85 or 0.15. The 2nd fractional abundance is the rest of the fraction that the first fractional abundance didn't take up.