please help me understand Moles Anyone? please help, My CIE's are near And i have'nt learned a pellet about moles. I award Metals though.

Question

anonymous · Answer

Here's a link to a YouTube video that goes through on what Moles are https://www.youtube.com/watch?v=JC76NR8EtTQ I hope this helps and look up this question on google and youtube and read up!

anonymous · Answer

If you JUST want to know about moles then it's simply Mol= mass / mr however I don't know if you're doing IGCSE or AS level but when it comes to calculation you need it for emperical formula too so here is a PDF file: http://www.skinnerscience.com/chemistry/Chemistry%20Revision%20Notes%202012.pdf

anonymous · Answer

just scroll down to page 25 you'll see it.
Hope it helps! good luck for May/June :)

masumanwar · Answer

Any molecules, atoms or ions in a number called Avogadro number if present is called a mole of that substance for example one mole hydrogen is Avogadro number of hydrogen molecules 6.023*10^23 is the Avogadro number