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What is molarity?
Moles of solute per Liter of solution.. M=mol/L
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What is molality?
Moles of solute per Kg of solvent.. m=mol/kg
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What is mole fraction?
Moles of component solving for per total # of moles
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What is mole percent?
Mole fraction X 100
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What is mass (or volume) fraction?
Mass of solute per total mass of solution
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What is mass (weight) percent or percent by weight?
Mass fraction X 100
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What is volume percent or percent by volume?
Volume fraction X 100
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What us ppm (parts per million)?
Mass fraction X 10^6
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What is ppb (parts per billion)?
Mass fraction X 10^9
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What does temperature cause change in?
Volume
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What concentration is temperature dependent?
Molarity
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What do u assume is the solvent if it's not stated in the problem?
Water
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If you are given weight% (mass percent), what sample size will be chosen?
100g of solution
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If you are given Molarity, what do u assume?
1 Liter (1000 mL)
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If you are given Molality, what do u assume?
1 Kg (1000g)
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In problems that are given Molarity & Liters are assumed, the Molarity equals ________ of the solute.
The moles
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To get from grams -> kg, what do u do?
Move the decimal 3 places to the left
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To get from mL -> L, what do u do?
Move the decimal 3 places to the left
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Density = ______/_______
Mass/Volume
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