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The Mole
| Question | Answer |
|---|---|
| WHat is one mole of one substance | One mole of a substance is the amount of that substance that contains 6.022 x 10^23 particles/atoms/ions/molecules |
| What is Avogadro’s constant? | 6.022 x 10^23 is known as Avogadro’s constant. |
| Define Relative Molecular Mass | The relative molecular mass of a compound is the average mass of one molecule of that compound compared to 1/12th of the mass of one atom of the carbon-12 isotope |
| How do you calculate Molecular Mass (Mr) | Work out how many atoms (atomic mass) There are in each element and add together all the values |
| What formula would you used to convert grams to moles? | Number of moles = mass molecular mass |
| What formula would you used to convert moles to grams? | Mass = number of moles x molecular mass |
| What formula would you use to convert number of moles to number of particles? | Number of moles x 6 x 1023 = molecules To convert molecules to atoms you need to multiply the amount of atoms in the molecule |
| What formula would you use to convert number of particles to number of moles? | Number of atoms = number of moles 6 x 1023 |
Created by:
21JulianM
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