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What does the Avogadro constant, LLL, represent?

A

The number of moles of substance represented by one entity (atom, molecule, or ion) (6.02×1023 mol6.02 \times 10^{23}\ \text{mol}6.02×1023 mol).

B

The number of entities (atoms, molecules, or ions) in one mole of substance (6.02×1023 mol−16.02 \times 10^{23}\ \text{mol}^{-1}6.02×1023 mol−1).

C

The number of entities (atoms, molecules, or ions) in one kilogram of substance (6.02×1023 kg−16.02 \times 10^{23}\ \text{kg}^{-1}6.02×1023 kg−1).

D

The number of entities (atoms, molecules, or ions) in one gram of substance (6.02×1023 g−16.02 \times 10^{23}\ \text{g}^{-1}6.02×1023 g−1).

Card 1 of 23

Amount of substance Flashcards

  1. A Level
  2. /Chemistry
  3. /Amount of substance

23 flashcards on Edexcel A Level Chemistry Amount of substance: the key terms, definitions and equations you need to recall for Paper 1, Paper 2 and Paper 3.

Flashcards