Ch 2 and 3- Amount of Substance
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Define Relative Atomic Mass (Ar):
The weighted mean mass of an atom of an element relative to 1/12th of carbon-12
Define Relative Molecular Mass (Mr):
the ratio of the average mass of one molecule of an element or compound to one twelfth of the mass of an atom of carbon-12.
Define Relative Isotopic Mass:
Mass of an isotope relative to 1/12th of mass of an atom of carbon-12
Define relative formula mass:
sum of the relative atomic masses of the atoms in a species or ion.
What is Avogadro’s constant?
6.02 x 1023
How to calculate no. particles?
no moles x 6.02x1023
What is the formula triangle for volume in gases?
What is the normal moles formula triangle?
What is the formula triangle used to calculate moles in solutions?
What is the calculation for percentage yield?
What is the calculation for atom economy?
Describe how to calculate: • ºC to K • kPa to Pa • 1atm in Pa
What is the ideal gas equation?
