Calculate masses of reactants and products in a chemical reaction
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What does a balanced symbol equation tell you?
The number of moles of a substance
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What is a limiting reactant?
The reactant that gets used up first
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What is the amount of product determined by?
The limiting reactant
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What is the formula for percentage yield?
*
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Why won't reactions have a 100% yield?
May be reversible, reactants form unwanted products, left in apparatus, not be pure and desired product lost during separation
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What is the formula for atom economy?
*
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What is the formula for concentration?
*
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How can you increase the concentration of an aqueous solution?
Adding more solute and dissolving it in the same volume of its solution and evaporate some of tje water so you have the same mass of solute in a smaller volume of solution
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What is a titration used for?
Measure the volume of acid is needed to neutralise an alkali
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What is concentration measured in?
mol/dm *
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What is one dm * equivalent to?
1000cm *
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The volume of 1 mole of any gas is what at room temp?
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