counting molecules + concentrations

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7 Terms

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Standard atomic weight

mean relative atomic mass of an element in local environment of Earth's crust + atmosphere determined by IUPAC 

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Solvent

component that's physical state is preserved when solution form (liquid)

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Solute

other solution component (solid most of time) 

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Moles - Avagadro’s Number

6.02 x 1023 atoms 

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Molarity

the number of moles of a solute per litre of solution

mol/L

<p><span>the number of moles of a solute per litre of solution</span></p><p><span>mol/L</span></p>
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Molality

the amount of solute in a solution relative to a given mass of solvent

<p>the amount of solute in a solution relative to a given mass of solvent</p>
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mass fraction

proportion of the mass of a specific component or species in a mixture

mass of solute in solution / mass of solution