Ucf chm2045c - Study guides, Class notes & Summaries
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UCF-CHM2045C QUESTIONS AND ANSWERS
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UCF-CHM2045C 
 
% comp - Answer- = (looking for)/ compound 
 
Percent Abundance - Answer- set to x and 1-x 
 
Molecular formula from empirical - Answer- Mass of molecular/ mass of empirical 
 
convert three elements - Answer- find the molar mass and divide by lowest mol 
 
Formula for conversions - Answer- Mass=(1/amu)=Mole=(Avo #/Mole)=Atom (2(compound)/Compound)=Atoms 
 
Atomic Number - Answer- Protons 
 
Mass # - Answer- Protons and neutrons 
 
Isotopes are what? - Answer- different neutrons...
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