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2 Atom Economy…read more

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3. EMPIRICAL FORMULA
Simplest ratio of atoms of each
element in a compound
4. MOLECULAR FORMULA
The actual number of atoms of each
element in a molecule…read more

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5. The ideal gas law
PV = nRT
· P is Pressure in Pascals ( 1kPa
=1000Pa)
· V is Volume in m3 (1000dm3= 1m3)
· n = number of moles
· R = 8.314 JK-1mol-1( the Universal
gas constant)
· T is temperature in K ( 0k=-273oC)…read more

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6. Relative atomic mass
Average mass of an atom
1/12 the mass of 1 atom of C12…read more

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7.Relative Molecular Mass Mr
Average mass of a molecule
1/12 the mass of 1 atom of C12…read more

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