Ch4(4)Sept19Fa08a

Ch4(4)Sept19Fa08a - CHEM 109 General Chemistry University...

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CHEM 109 General Chemistry University of Nebraska FALL 2008 Friday 19 September 2008
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Aqueous Solutions _______ – a homogeneous mixture of two or more substances, in which one is called the solvent and the other is the solute _______ – main medium, what is there in the largest quantity _______ – dissolved in the solvent
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Concentration _____________ – the amount of a solute dissolved in a given quantity of solvent A ___________ solution contains a large amount of solute. A _______ solution contains a small amount of solute.
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Concentration The concentration unit which is most useful in chemistry is molarity . __________ – the number of moles of solute dissolved in 1 L of solution
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Given that you have 3.58 g of KCl in 7.00 L of solution, what is the molarity of the solution? Remember: M = moles of solute liters of solution Example Molarity Calculation
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Example Molarity Calculation What mass of copper (II) sulfate is required to prepare 250.mL of aqueous solution whose concentration is 0.175M?
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Ch4(4)Sept19Fa08a - CHEM 109 General Chemistry University...

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