Molar Theory - Chemistry (1 Viewer)

[iPhone4]

Hi everyone,

I just got my mid course exam (in class exam) back for Chemistry and whilst still getting above the class average my mark was still only 21.5/38 which is only 56%.

My main problem was Molar Theory. I can remember all the formulae, but I can't figure out how to apply any of it. My Chemical Earth was really easy compared to Metals.

I am using Conquering Chemistry as my textbook btw.

Does anyone know any good sites/textbooks/study guides/practice papers for help with Prelim Molar Theory? I'm really struggling.

Thanks

 

[Dan895]

Understand the equations n=m/M and also n=V/Vm

 

[nightweaver066]

Try these questions:
http://www.testhorizon.com/qb/PDFTest/MoleConcept.pdf

There are worked solutions at the bottom so you can always check if your method is correct or not.

Make sure you understand why you do certain things, e.g. why you have to divide the number of atoms of a compound by Avogadro's number to find moles.