Converting Grams to Moles and the Avogadro Constant (Leaving Cert Chemistry): Flashcards

$\text{Moles} = \frac{\text{Mass (g)}}{\text{RMM}}$

$6.02 \times 10^{23}$

$6.02 \times 10^{23}$ entities (particles)

$\text{Particles} = \text{Moles} \times 6.02 \times 10^{23}$

$\text{Moles} = \frac{\text{Particles}}{6.02 \times 10^{23}}$

$\text{Mass (g)} = \text{Moles} \times \text{RMM}$

Relative molecular mass

Add atomic masses of all atoms in the molecule

Convert grams to moles (mass ÷ RMM)

Convert moles to particles (moles × $6.02 \times 10^{23}$)

$\text{Particles} = \frac{\text{Mass}}{\text{RMM}} \times 6.02 \times 10^{23}$

Mass (grams), number of moles, relative molecular mass