Spec 1CH0
Revise Edexcel GCSE Chemistry 2.6.5 The mole and the Avogadro constant with the question bank, lessons, revision guides, and flashcards.
1.50 Higher tier only. Recall that one mole of a substance contains the Avogadro constant, 6.02 x 10^23, particles and has a mass in grams equal to its relative particle mass. 1.51 Higher tier only. Calculate the amount of substance in moles from a mass and vice versa, the number of particles from an amount and vice versa, and the number of particles from a mass and vice versa. This whole article is Higher tier only and is not assessed at Foundation tier.
