Printhttp://smd.gytool.cz/downloads/STOICHIOMETRIC_CALCULATIONS_cb.pdf
http://www.thestudentroom.co.uk/showthread.php?t=1079257
http://www.docbrown.info/page04/4_73calcs06brmv.htm
http://www.bbc.co.uk/schools/gcsebitesize/science/add_aqa_pre_2011/chemc...
http://funinchem.blogspot.in/2008/11/stoichiometry-reacting-masses-and.html
http://www.ibchem.com/syllabus/s01.3.htm
http://johelpschemistry.blogspot.in/2014/08/13e-use-chemical-equations-t...
http://www.docbrown.info/page04/4_73calcs06rmc.htm
http://preparatorychemistry.com/Bishop_Study_Guide_atoms_10.pdf
http://www.chemsheets.co.uk/Chemsheets%20AS%20008%20%28Amount%20of%20sub...
http://www.sciencesfp.com/uploads/2/1/5/9/21597828/1.3_reacting_masses_a...
6th grade
8th grade
11th grade
12th grade
