Amount of substance and the mole
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| 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
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| 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
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| What is the value of the Avogadro constant? | 6.02 x 10 23 mol -1
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| How is the mass of one mole show? | The relative atomic mass in grams
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| What is 2 moles of Carbon | 24.0g
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