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The average mass of 1 atom of an element compared to 1/12th the mass of an atom of carbon 12
Ar
The average mass of 1 molecule of an element/compound compared to 1/12th the mass of an atom of carbon 12
Mr
Avogadro's Constant
6 x 10^23
At the same T, pressure, and volume ALL gasses have the SAME number of particles
Avogadro's Law
What is the value for stp?
22.4 dm^3 or 22,400 cm^3
What is the value for RTP?
24dm^3 or 24,000 cm^3
Italian scientist that first proposed that volume of gas is proportional to # molecules
Amadeo Avogadro
mass given divided by molar mass of substance
# moles
Number of particles refer to ay of these...
atoms, ions, molecules
A solution whose concentration [ ] is known accurately
standard solution
