Percent Composition By Mass

This chemistry video tutorial explains how to find the percent composition by mass of each element in a compound using a simple formula. You need to find the molar mass of the entire compound in order to calculate the mass percent of each element. This video contains plenty of examples and practice problems.
Introduction to Moles:
• Introduction to Moles
How To Calculate The Molar Mass:
• How To Calculate The M...
How To Convert Grams to Moles:
• How To Convert Grams T...
How To Convert Moles to Grams:
• How To Convert Moles t...
Moles to Atoms Conversion:
• Moles To Atoms Convers...
Grams to Molecules Conversion:
• Grams to Molecules and...
_________________________________
Grams to Atoms:
• How To Convert Grams t...
Moles, Atoms, & Grams Conversions:
• How To Convert Between...
How To Balance Chemical Equations:
• How To Balance Chemica...
Stoichiometry - Basic Introduction:
• Stoichiometry Basic In...
Avogadro's Number:
• Avogadro's Number, The...
_________________________________
Limiting Reactant Problems:
• Limiting Reactant Prac...
Excess Reactant Problems:
• How To Find The Amount...
Theoretical & Percent Yield:
• How To Calculate Theor...
Percent Yield - More Examples:
• How To Calculate The P...
Percent Error:
• Percent Error Made Easy!
_________________________________
Percent Composition By Mass:
• Percent Composition By...
Empirical Formula Problems:
• Empirical Formula & Mo...
Empirical Formula - Hydrated Compounds:
• How To Find The Empiri...
Combustion Analysis:
• Introduction to Combus...
Stoichiometry Practice Test:
• How To Solve Stoichiom...
_______________________________________
Final Exams and Video Playlists:
www.video-tutor.net/
Full-Length Videos and Worksheets:
/ collections

Пікірлер: 343

  • @TheOrganicChemistryTutor
    @TheOrganicChemistryTutor Жыл бұрын

    Final Exams and Video Playlists: www.video-tutor.net/ Full-Length Videos & Worksheets: www.patreon.com/MathScienceTutor/collections General Chemistry 1 Review: bit.ly/3DNmZqb PDF Worksheet - 160 Questions: bit.ly/37SVLn6

  • @rehasattani2625

    @rehasattani2625

    Жыл бұрын

    IDK but grateful of them

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    @saqibsami14844 жыл бұрын

    im literally using ur videos for an online final im taking rn

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    @ryank838

    4 жыл бұрын

    Me rn

  • @malllllll

    @malllllll

    4 жыл бұрын

    Me too💀🤩 literally haven’t learned a thing all qtr

  • @jazmyn9188

    @jazmyn9188

    3 жыл бұрын

    Me rn

  • @MIguelGarcia-wl7jt

    @MIguelGarcia-wl7jt

    3 жыл бұрын

    Same

  • @baytta-yt5301

    @baytta-yt5301

    3 жыл бұрын

    Same

  • @valkyrienah
    @valkyrienah3 жыл бұрын

    I would've never passed my CHEM 1 if it weren't for your lessons. Big thanks to you, Sir. God Bless! ❤

  • @narayanchandradas4602

    @narayanchandradas4602

    2 жыл бұрын

    If the profile pic is your real picture Then are you really learning this because I am 15 and I have this in my this year's course in India and you probably be like 19-21

  • @susa9786

    @susa9786

    2 жыл бұрын

    @@narayanchandradas4602 rude giving (guessing) someone's age based on looks 😑 and every country has it's own educational system, common is we learn this in high school, doesn't matter which grade, and if you took it in middle school then probably that was just an intro and upper class's lessons are advanced btw, so why would you compare(or whatever you said)? 😐

  • @OBC-hg6jo

    @OBC-hg6jo

    2 жыл бұрын

    @@narayanchandradas4602 Roasted take the L

  • @mrridiculous4896

    @mrridiculous4896

    2 жыл бұрын

    Amen

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    @ylvinci7722

    2 жыл бұрын

    @@narayanchandradas4602 literally no one cares

  • @sychomadman
    @sychomadman5 жыл бұрын

    Why are KZreadrs better than actual teachers? xD

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    @rickyp.7273

    4 жыл бұрын

    Seriously. Wtf! Why??????

  • @gaminguniverse4223

    @gaminguniverse4223

    4 жыл бұрын

    Poda maanaga mandayaa

  • @samarshah4149

    @samarshah4149

    4 жыл бұрын

    I think you think

  • @chikitita6763

    @chikitita6763

    4 жыл бұрын

    Because we actually choose to watch the video. I doubt anyone actually chose to sit in class.

  • @crownboy24

    @crownboy24

    4 жыл бұрын

    @@chikitita6763 you right

  • @nondumisolamula4260
    @nondumisolamula42605 жыл бұрын

    whenever i don't understand a certain topic in class. I always come back to this guy and i always get to understand him. You have contributed a lot on my Chemistry performance. :)

  • @waftsofpetrichor
    @waftsofpetrichor Жыл бұрын

    I have my exam in seven hours. This helped me tremendously. I wholeheartedly thank you!

  • @Calvintheicon

    @Calvintheicon

    Жыл бұрын

    How did it go i have one wednesday

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    @Bandit_Heelers_Husband

    Жыл бұрын

    I HAVE ONE NEXT PERIOD IM SO DOOMED

  • @gigachadsister39
    @gigachadsister393 жыл бұрын

    It's difficult for me to grasp an understanding of these problems in class right now since my teacher teaches a different lesson every day, but watching these videos have helped me a lot with my Chemistry unit tests.

  • @sirgrinder
    @sirgrinder5 жыл бұрын

    Having to learn this on KZread because the teacher isn’t even here and expects us to know this. Great

  • @beamarie4223
    @beamarie42233 жыл бұрын

    I understand him more than my teacher :/

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    @yuboiolimlg65

    Жыл бұрын

    buss it

  • @tannermartinmusic
    @tannermartinmusic Жыл бұрын

    Watched 4 minutes and understood what my teacher couldnt explain to me in an hour and a half, god bless.

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    @yuboiolimlg65

    Жыл бұрын

    buss it

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    @franniefall10505 жыл бұрын

    I don't really attend my chem classes 😂 but this really helps me!

  • @isaaclauren6457

    @isaaclauren6457

    4 жыл бұрын

    i attend classes but either im sleeping or my mind wanders elsewhere

  • @nicaxbts9730

    @nicaxbts9730

    4 жыл бұрын

    Me absent

  • @alwwqe

    @alwwqe

    3 жыл бұрын

    online classes are a joke, you dont learn anything

  • @aletab3051

    @aletab3051

    3 жыл бұрын

    i don’t pay attention in my online chemistry class 😭

  • @user-sf1rc1vq2b
    @user-sf1rc1vq2b2 жыл бұрын

    finally i did not understand a thing my teacher explained yet you explained it so clearly in such a short amount of time thank you !! :D

  • @trnphantom2586
    @trnphantom25863 жыл бұрын

    Using you're vid's to study for my chem test on monday, they're so much easier to understand than my actual professor who does one example and expects us to then just know it.

  • @summerpinnell9289
    @summerpinnell92892 жыл бұрын

    I truly, truly appreciate what you do here. THANK YOU

  • @nneomamadu2855
    @nneomamadu28552 жыл бұрын

    A big thank you sir I really don't know what my chemistry results will look like if not for this.

  • @JoshPlayzGC
    @JoshPlayzGC3 жыл бұрын

    Why would people ever dislike every video of this channel? He is helping

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    @JuliaN-fi9zw3 жыл бұрын

    I am going to fail honors chem.

  • @cameronmahoney4344

    @cameronmahoney4344

    3 жыл бұрын

    Same.

  • @sebastianrodzpr9786

    @sebastianrodzpr9786

    3 жыл бұрын

    Same

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    @diegocardenas2764

    3 жыл бұрын

    with you on that man

  • @JuliaN-fi9zw

    @JuliaN-fi9zw

    3 жыл бұрын

    @@diegocardenas2764 I actually ended up dropping the class LMAOOO I have 2 honors classes, 2 ap, and 2 regular so I decided I could probably take normal chem 😭

  • @sofiar3189

    @sofiar3189

    3 жыл бұрын

    I stuck with chem and rn, gonna try to ace the test to save my grade :')

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    @lulim88952 жыл бұрын

    THANK YOU THANK YOU THANK YOU THANK YOU!!!! YOU HAVE NO IDEA HOW MUCH YOU HELPED ME THIS YEAR. my teacher teaches nothing, you are the only reason I'm doing good in chem (and algebra II) Thankkkkk youuuuu!!!!!!

  • @Norastorm
    @Norastorm5 ай бұрын

    Thank you! You save my life everytime! I refuse to learn from anyone but u bro!

  • @treyjones2642
    @treyjones26423 жыл бұрын

    Thanks dude! This literally helps more than my teacher does!

  • @OkOk-ni8iu
    @OkOk-ni8iu2 жыл бұрын

    Super helpful thank you....made that simple and easy compared to the worksheets from school

  • @killajule8108
    @killajule81083 жыл бұрын

    Who else is watching these on 2x cuz you have a test in about a hour

  • @bot01020

    @bot01020

    2 жыл бұрын

    not exactly the same, I watched it on 2X because I have three ap unit test tomorrow, and I still don't have a clue what's going on.

  • @loaf_of_beans1619
    @loaf_of_beans1619 Жыл бұрын

    This guy manages so explain it better on the first go than the student teacher can in 3 classes. I owe my grades to this guy

  • @mrtowelz8954
    @mrtowelz89544 ай бұрын

    Love your work man

  • @bruhi-4589
    @bruhi-45892 жыл бұрын

    i truly greatly appreciate you sm, you’re like the only guy who’s helped me sm ily like actually

  • @shannonsegars3900
    @shannonsegars39005 жыл бұрын

    this is a great explanation video

  • @isabelaavila9421
    @isabelaavila94212 жыл бұрын

    This video helped me SO SO much, thanks!!

  • @erikrogie4957
    @erikrogie49572 жыл бұрын

    Anyone else looking at this 20 mins before an exam?

  • @user-ud7nu1nx3c

    @user-ud7nu1nx3c

    12 күн бұрын

    🖐🖐🖐🖐🖐 yesssss

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    @hellonini2oo Жыл бұрын

    Why teachers never teach us like this?? Thank you so much for always saving me❤

  • @Ali-gf2yz
    @Ali-gf2yz3 жыл бұрын

    Thanks.You explanning better than most of teachers.

  • @estyeliseev
    @estyeliseev Жыл бұрын

    Your videos NEVER disappoint Thank you

  • @user-ps3gh6ci8r
    @user-ps3gh6ci8r3 ай бұрын

    This really help thank you

  • @umay506
    @umay5063 жыл бұрын

    but what if there are 2 atoms like "C1,C6"H8,O6 should i mixed them into one?

  • @andilemkhwanazi758
    @andilemkhwanazi7582 жыл бұрын

    BRO you are really great and yu have helped me alot in my chemistry, and thank you for that

  • @georgesadler7830
    @georgesadler78305 ай бұрын

    Professor Organic Chemistry Tutor, thank you for a basic Introduction of Percent Composition by Mass in AP/General Chemistry. The material presented in this video is simple to follow and understand from start to finish. This is an error free video/lecture on KZread TV with the Organic Chemistry Tutor.

  • @josiasdewit4727
    @josiasdewit47274 жыл бұрын

    Thank you so much!!! All the way from ZA!

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    @goldiesilbermann70853 жыл бұрын

    Your the best! Your videos are so helpful!

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    @yuboiolimlg65

    Жыл бұрын

    buss it

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    @roizmigueldayawon35964 жыл бұрын

    this video can help me for my study

  • @mr.persona17
    @mr.persona173 жыл бұрын

    Such a big Help mate thanks

  • @ANDREW-my9ie
    @ANDREW-my9ie4 жыл бұрын

    This is really a great explanation sir

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    @johnacerencelcuasay52673 жыл бұрын

    Thank you for your existence.

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    @Eduardo-tq5skАй бұрын

    You are the Doctor!

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    @comfortmwila70587 ай бұрын

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    @deirdresversion4 жыл бұрын

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    @brigettebadilla16062 жыл бұрын

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    @Alexandra-yu4wo Жыл бұрын

    you're the only reason im passing chem rn.. ty

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    @meriwetheramil38433 жыл бұрын

    This man is saving my chem grade

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    @hellonini2oo Жыл бұрын

    Beat teacher❤ I'm grateful to you 🙏

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    @wizestillactive4 ай бұрын

    Thanks so much bro, ❤

  • @nataliegarcia521
    @nataliegarcia5213 жыл бұрын

    Do we have to include sig figs after dividing?

  • @valkyrienah
    @valkyrienah3 жыл бұрын

    Unpopular opinion, but you are far better than some of actual instructors.

  • @nathans.2827
    @nathans.2827 Жыл бұрын

    Thanks so much, God bless ya🙏

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    @davidtoluwanimarvellous54682 жыл бұрын

    This video really helped me

  • @hasmineamelon4331
    @hasmineamelon43312 жыл бұрын

    Hey i dont understand how to x the 100% in calculator.like 60.05/115.132x100%,If i try to calculate it doesn't match yours.Pls help.

  • @jsmith8240
    @jsmith82402 жыл бұрын

    Without you I wouldn’t pass chem thank you

  • @ANDREW-my9ie
    @ANDREW-my9ie4 жыл бұрын

    I understand this topic very easily

  • @ks4willbball201
    @ks4willbball201 Жыл бұрын

    The best Chemistry Tutor should be his name.

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    @kirantaranee98582 жыл бұрын

    he is such a lifesaver😭😭😭

  • @cressabarbosa9845
    @cressabarbosa9845 Жыл бұрын

    This is such a big help to me. Thank you very much, sir! God bless, sir! ^^

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    @yuboiolimlg65

    Жыл бұрын

    buss it

  • @idabolar2482
    @idabolar24823 жыл бұрын

    This was very helpful

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    @abdullah3lshe77i85 жыл бұрын

    THINK YOU SO MUCH

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    @natasha66863 жыл бұрын

    THANK YOU!!! REALLY HELPFUL

  • @yuboiolimlg65

    @yuboiolimlg65

    Жыл бұрын

    buss it

  • @ehsanyoonesy8682
    @ehsanyoonesy86823 жыл бұрын

    can anyone tell me which playlist is this

  • @user-ti9kk9rs8w
    @user-ti9kk9rs8w2 жыл бұрын

    Why did you use the carbon (12) to divide by the total?

  • @marcjoshrayne6229
    @marcjoshrayne62292 жыл бұрын

    How did you get the 342.296?what did you do?

  • @Rorablink
    @Rorablink2 ай бұрын

    Best teacher

  • @nexica9546
    @nexica95464 жыл бұрын

    This guy helped me so much in junior high

  • @justinesantiago550
    @justinesantiago5503 жыл бұрын

    Your so good in teaching,,,,your understandable than my teacher a bit

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    @yuboiolimlg65

    Жыл бұрын

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    @mohammedalsane666 жыл бұрын

    What software did u use?

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    @kokko19633 жыл бұрын

    You're a life saver!

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    @yuboiolimlg65

    Жыл бұрын

    buss it

  • @tourcanguluzadepiano1712
    @tourcanguluzadepiano17123 жыл бұрын

    why dont we use only 1 for hidrogenium

  • @dulcejimenez9590
    @dulcejimenez95903 жыл бұрын

    thank you thank you thank you!!

  • @Arzen116
    @Arzen116 Жыл бұрын

    Thanks a lot

  • @keerthivasangopalraj4273
    @keerthivasangopalraj42736 жыл бұрын

    Thank U very much

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    @diedrecowie21903 жыл бұрын

    I love your voice; smoothing to hear

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    @raflame1331

    3 жыл бұрын

    true i was about to say that

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    @sankhapriyadas31944 жыл бұрын

    Thank u sir . The video was very effective

  • @yuboiolimlg65

    @yuboiolimlg65

    Жыл бұрын

    buss it

  • @pompom2621
    @pompom26213 жыл бұрын

    Watching this cause I overslept my class

  • @einstein_coedybasanes_m6563
    @einstein_coedybasanes_m65632 жыл бұрын

    Thanks!

  • @nayakbanalata9236
    @nayakbanalata92363 жыл бұрын

    Thank you very much

  • @neiracocotero
    @neiracocotero7 ай бұрын

    helping me from spain, you are one of the best and more clearly teachers that i ever hear thank you so fcking much

  • @kyleneagcambert9557
    @kyleneagcambert9557 Жыл бұрын

    Studying this right before our exam

  • @ranaalzwairi6232
    @ranaalzwairi62328 ай бұрын

    Thank you

  • @fritzapus5535
    @fritzapus55352 жыл бұрын

    Thank you now i understand ❤️

  • @yuboiolimlg65

    @yuboiolimlg65

    Жыл бұрын

    buss it

  • @nevaeh818
    @nevaeh8185 жыл бұрын

    thanks dude ur truly a lifesaver. my chem teacher is just..ughhh but ur AWESOME

  • @havxl2715

    @havxl2715

    5 жыл бұрын

    Robin Nevaeh I have a bad teacher just like you i hate him😡

  • @nevaeh818

    @nevaeh818

    5 жыл бұрын

    My chem teacher literally doesn't understand the topic she's teaching us

  • @havxl2715

    @havxl2715

    5 жыл бұрын

    Robin Nevaeh oh shit,god save us from these garbage teachers

  • @aubreycaceres9407

    @aubreycaceres9407

    5 жыл бұрын

    @@havxl2715 HAHHAHHA ur xo funny

  • @misterybox3565
    @misterybox35654 жыл бұрын

    That last part, a easier way would be to multiply the 14.01 times the 100 then divide the total by the 13.32%

  • @ayaghenai7412
    @ayaghenai74125 жыл бұрын

    I calculated NO2 together and ended up with the same final answer and it all added up to 100%. Would it be considered incorrect if I didn't calculate it separately?

  • @franniefall1050

    @franniefall1050

    5 жыл бұрын

    That's the short cut way

  • @ronellmavhungu1163
    @ronellmavhungu11632 жыл бұрын

    Thank you 🙏

  • @nafukacosmo8839
    @nafukacosmo88392 жыл бұрын

    Thank you brother

  • @thearmys9243
    @thearmys92433 жыл бұрын

    really helps thanks 😊

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    @yuboiolimlg65

    Жыл бұрын

    buss it

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    @gidxblng91303 жыл бұрын

    NOWWWWW I UNDERSTANDDDD EVERYTHINGGGG

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    @shirin29093 жыл бұрын

    you are my teacher

  • @ketanvashisht6578
    @ketanvashisht657810 ай бұрын

    thankyou so much for Ur valuable information.....jai hind from india

  • @user-gl7rk9gb3z
    @user-gl7rk9gb3z4 ай бұрын

    Thanks

  • @reryray7072
    @reryray7072 Жыл бұрын

    How could I know how many sig fig at the answer ?

  • @aietoledo5535
    @aietoledo55353 жыл бұрын

    How about if its only Ca?

  • @claireweber334
    @claireweber3343 жыл бұрын

    how is he getting the molar mass for hydrogen as 1.008?

  • @user-dl9nq2lc6q
    @user-dl9nq2lc6q8 ай бұрын

    Question. The percentage of oxygen in Sulphur IV oxide (S =32,O=16) Please show working thanks

  • @karyllejoy6272
    @karyllejoy62723 жыл бұрын

    O my your the best teacher your iven good than my teacher lol

  • @RivkaSilinsky
    @RivkaSilinsky Жыл бұрын

    In the first example, why are there not 5 sig figs in the final answer but rather only 3?