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IB Chem Stoich SL
| Question | Answer |
|---|---|
| Formula for conversion between particles and moles | N = n x NA Number of particles = mol x 6.02 e23 |
| Relative atomic mass | Mass compared to 1/12th of a carbon-12 isotope |
| Empirical formula | The simplest whole number ratio of atoms of different elements in the compound. |
| Molecular formula | The actual number of atoms of different elements covalently bonded in a molecule. |
| ppm | 1mg of solute in 1kg or 1L of solvent |
| dilution formula | C1V1 = C2V2 |