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Chemistry Equations

Relative Atomic Mass =
average mass of an
element

1/12 the mass of an atom of C12

Relative Molecular Mass =
average mass of an
element

1/12 the mass of an atom of C12

Ionic Compound Formula =
average mass of a formula
unit

1/12 the mass of…

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R - Gas constant 8.31 JK -1 Mol-1

T - Temperature (Kel) Kelvin = 273C

Rearranging the Ideal Gas Equation:

n = pV/RT

V = nRT/p

P = nRT/V

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