Gas & Volume Relations
- 1 mol of gas = 24 dm³ (at room temperature & pressure).
- 1 dm³ = 1000 cm³.
Concentration
Concentration = Moles/Volume
Mole Calculations
Moles = Mass/M_r
- M_r = Relative Molecular Mass.
Percentage Yield
Percentage Yield = Actual Yield/Calculated Yield x 100
Avogadro’s Constant
N_A = 6.02 x 10^{23}
- Number of particles (atoms, molecules, ions) in 1 mole.
Percentage Purity
Percentage Purity = Mass of Pure/Mass of Impure x 100
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