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Forums - General Discussion - I need help, what exactly is a MOLE in Chemistry?

leo-j on 02 December 2008

Can anyone help me? And whats an example of a mole usig hydrogen?



 

mM
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MrBubbles on 02 December 2008

http://www.chemistry.co.nz/mole.htm



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vlad321 on 02 December 2008

Measure of the number of atoms.



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The_vagabond7 on 02 December 2008

Pretty sure it's a delicious spicy sauce that has a touch of chocolate in it. Mmmmm, chemistry.



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supermario128 on 02 December 2008

I'm taking Chemistry this year and haven't heard of a "mole" yet.




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Aj_habfan on 02 December 2008
supermario128 said:
I'm taking Chemistry this year and haven't heard of a "mole" yet.

They are pretty much involved in everything I've done in chemistry since last half of last year.

 

But I still don't really know/care what it is. It is a unit of measurement, that's about all you need to know.

A mole of hydrogen is 1.00 mol of H - That's not really a question.

 



zexen_lowe on 02 December 2008

A quantity that indicates 6.02x10^23 atoms (or molecules)
To make it simple to understand, take a periodic table. Look for example for Carbon. The standard atomic weight is 12. That means one atom of Carbon weighs 12 u (mass atomic units) and a MOLE of atoms of Carbon weighs exactly 12 grams

Tell me if that helped




Strategyking92 on 02 December 2008

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leo-j on 02 December 2008

This is complicated beyond relief, what exactly is a mole

@AJ

What did you do to find that answer?



 

mM
zexen_lowe on 02 December 2008
leo-j said:
This is complicated beyond relief, what exactly is a mole

@AJ

What did you do to find that answer?

I'll try to make it simpler. It's just a way to express quantity. A dozen is 12 units of something, a gross is 144 units of something, then a mole is 6.02x10e23 units of something (That's a 6 followed by 23 zeroes)