Links
[1] https://hootsgo.org/?q=node/6430
[2] http://crescentok.com/staff/jaskew/isr/chemistry/class13.htm
[3] http://www.chemistryexplained.com/Ma-Na/Mole-Concept.html
[4] http://en.wikipedia.org/wiki/Mole_%28unit%29
[5] http://www.iun.edu/~cpanhd/C101webnotes/quantchem/moleavo.html
[6] http://www.chem1.com/acad/webtext/intro/int-2.html
[7] http://antoine.frostburg.edu/chem/senese/101/moles/faq/why-use-moles.shtml
[8] http://www.austincc.edu/dlyon/introsp04/Intro%20Chem%20ch7%20the%20mole%20and%20percent%20comp.pdf
[9] http://web.clark.edu/nfattaleh/classes/100/LectureNotes/Ch6.pdf
[10] http://bansal.ac.in/acc_sample_pc.pdf
[11] http://kea.kar.nic.in/vikasana/bridge/chemistry/chap_03_ppt.pdf
[12] http://jo-online.vsb.bc.ca/leung/wp-content/uploads/2009/11/Notes-Mole-Concept.pdf
[13] http://profkatz.com/docs/CHEM1410MolesandEqs.pdf
[14] http://go.hrw.com/resources/go_sc/ssp/HUGPS044.PDF
[15] http://www.arihantbooks.com/chapterdownloads/B071.pdf
[16] http://www.dentonisd.org/cms/lib/tx21000245/centricity/domain/1192/moles_theory1.pdf
[17] http://www.wsfcs.k12.nc.us/cms/lib/NC01001395/Centricity/Domain/7788/Ch%2012%20The-Mole-Concept.pdf