C3 - Quantitative Chemistry
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8 Terms
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What are moles used for?
Comparing quantities of substances
2
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What is the equation to calculate moles?
mass (g) / relative atomic / formula mass
3
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Stochiometry
The ratio of moles of one substance to another in a reaction
4
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In order for their to be no reactants left, what must there be the correct number of?
Moles of both reactants in order to react completely
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What happens when a substance is dissolved in water?
It dissociates into ions as does the water
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What is the unit for concentration?
mol / dm3
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If one mol is dissolved in one dm3 what is the concentration
1mol / dm3
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What is the equation for concentration?
concentration (mol/dm3 ) = moles / volume (dm3 )
Note 
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