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Junior Chemistry: The Mole 1

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Uploaded by on Jan 3, 2008

Over 200 videos, reshot in HD, now available at www.chemguy.com for just a donation! This clip: Chemguy introduces the mole concept; Avogadro's number.
Donations welcome at www.chemguy.comm

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Education

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  • likes, 7 dislikes

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Uploader Comments (bannanaiscool)

  • Okay, so I have a question. Let's say you're diluting a solution. Would the number of moles of solute remain constant but the number of moles of solvent increase then? So, overall the total number of moles in the solution itself would increase, correct?

  • @usmankify Well, sure, but it's all about the solute! (Until we get to molality!)

    Chemguy

  • @bannanaiscool Ohhh, ok, that makes sense. Why would it be any different in molality though? Doesn't molality measures the number of moles of solute found in a particular amount of solvent? So it's still technically all about the solute. Correct me if I'm wrong.

  • @usmankify Right you are. It's just that the mass of the solvent, and not just it's volume, is under consideration, as well. It's still about the solute!

    Chemguy

Top Comments

  • "How many trucks I gots?" Best part!

  • can you be my teacher?

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All Comments (302)

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  • All of you should stop complaining about your teachers, my teacher included this in the exam, and he never explained it to us...

  • @drkcaey Same with mines -_-

  • Its strange how my teacher found this Video on YouTube and whats more strange is that the school didn't block it. But me and my class saw it! O_O

  • Really helpful (: Thank you sooo much (:

  • Thx ^_____^

  • I am absolutely amazed at how fast I learned the Mole concept, just by watching 2 videos by you. When my chemistry teacher explained it I was lost the whole semester. literally, it made me laugh to know that what I struggled with for months, I learned in 2 videos. you are an excellent teacher. I love your personality/enthusiasm about it, it makes me WANT to learn.

  • i am very thank ful to u all

    thank u to upload the topics in youtube

  • You're a life saver. My teachers are boring as fuck..

  • Wow. You seriously make this interesting. I live in India right now, doing 10th grade, but I moved here from America, and almost forgot how hands-on and interactive the teachers are over there!

  • 5.00 to 5.10 NO NO I WONT LEAVE YOU ALONE*HAHHA LMAO*

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