Relative masses allow chemists to "count out" atoms and molecules so they can ensure that the appropriate amounts of substances are reacted.
Calculating the number of moles knowing the mass and the Ar ( mass of one mole)
1.28 Calculating moles The following masses ...
A mole of rice grains would form a huge mountain of rice with enough rice to feed the world's current population for the next 6088978 years!
1.27 What is a mole? Students should: ...
Large numbers of coins can be counted by measuring their mass
1.26 "Counting" by measuring mass Sometimes ...
Relative masses allow chemists to "count out" atoms and molecules so they can ensure that the appropriate amounts of substances are reacted.