The pre test for this unit was difficult, as it involves what appear to be very nuanced numbers and equations. This unit will be difficult and I need to be ready for the long run. The test gave you a density of a atom, and then asked questions about it, or it gave you the density (in g/mol) of separate elements in a compound and asked for the chemical comp. All and all, I predict that this unit will be trying and I hope that through studying and paying attention that I can turn this unit to my advantage.
This website is useful for finding chemical composition: http://crescentok.com/staff/jaskew/isr/chemistry/class10.htm
This website is good for finding % Comp!: https://www.chem.tamu.edu/class/majors/tutorialnotefiles/percentcomp.htm
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