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1.1.4
Amount of substance and the mole
Question | Answer |
---|---|
What is the 'amount of substance'? | It is the quantity whose unit is the mole. Chemists use 'amount of substance' as a means of counting atoms |
What is a 'mole'? | A mole is the amount of any substance containing as many particles as there are carbon atoms in 12g of the carbon-12 isotope |
What is the value of the Avogadro constant? | 6.02 x 10 23 mol -1 |
How is the mass of one mole show? | The relative atomic mass in grams |
What is 2 moles of Carbon | 24.0g |