Flashcards in Calculations Deck (5)
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Number of moles
n = m over M Or m= n x M
1
Relative atomic mass
Sum of (percentage abundance x relative atomic mass of each isotope) / 100
2
Relative formular mass or molar mass
Eg (1xH)+(4xC) =
3
Amount of substance in a mole
Number of particles of the substance / number of particles in one mole (6.022 x 10^23
4
