It's a mole of Hydrogen, lol. Sorry, I don't really understand your question.

Avogardro's number is rarely used though, it's irrelevant to most questions.

I used it all the time. I had it permanentely stored in my calc's memory, my professors asked me to make a lot of calculations with it. Still, that's what a mole is, even if it's not practical. A practical definition would be that it's the number you have to have of atoms or molecules so the weight of them is equal to the number in grams that correspond to each element in the periodic table.

Still, the mole number it's like the Regnault constant a.k.a the gas constant (you'll see it in some years). It doesn't matter what it is, the important thing is that it works in every equation

A mole is just a number. This number is the number zexen posted.

You can use this number in multiple ways (to find # of molecules, # of moles, mass).

Ex. Hydrogen (H2), there are 6.02x10e23 molecules of H2 in 1 mole. The mass of this is ~2.0 grams (find this by the molar mass of H2). So if you are given 1.5 grams of H2, you can use the 6.02x10e23 to find out how many moles you have (0.75 moles, assuming I'm not an idiot). Or you could find the number of molecules (multiply 0.75 and 6.02x10e23).

Hope that helped.

Dude Chemistry sucks I hate it :(

I'm a chemistry major... I find it quite awesome, thank you very much

Even Organic?

^True, Organic Chemistry sucks, the rest of it is pretty cool though

O.T : Just read zexen_lowe's explanation.
He explained it pretty clearly

Sorry man but my hate towards chemistry is HUGE is my the subject I dislike it the most alongside biology the worst thing is that I'll have to do them along with physics since it's obligatory on my school :(

1 mol of hydrogen (H2 because hydrogen is a diatomic element) = 2.0 grams = 6.02x 10^23 molecules and you can manipulate these to make equalities to find whatever you need.