59843
Description
Mind Map by oscar_shepherd, updated more than 1 year ago
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Created by oscar_shepherd
about 11 years ago
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RAMs and Moles
- The RAM of an element is
the weighted average mass
of the isotopes.
- It is measured on a scale on
which a carbon -12 atom has a
mass of exactly 12 units
- It is measured on a scale on
which a carbon -12 atom has a
mass of exactly 12 units
- Mass=Moles Mr
- Moles
- Used to work out ow much of a substance we have.
- Links the Mrs and
Ars to the actual
masses we can
weigh out
- Mass of1Mole=Ar or Mr in grams
- Nber of moles = Mass/Ar or Mr
- Nber of Moles = Mass(g)/Mass of 1Mole(s)
- Used to work out ow much of a substance we have.
- RFM
- The sum of the RAMs in a compound
- The sum of the RAMs in a compound
- Empirical Formula
- Simplest whole number ratio of the atoms of the element in a compound
- Simplest whole number ratio of the atoms of the element in a compound
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