10-22-08%20-%20Lecture%2010%20-%20Fund.%20G%20%26%20Chapter%202

10-22-08%20-%20Lecture%2010%20-%20Fund.%20G%20%26%20Chapter%202

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Unformatted text preview: Fundamental G Mixtures and Solutions Solutions Solution terms we need to define: SOLVENT the most abundant component of a solution; its physical state is preserved when solution forms SOLUTE the component which dissolves in the solvent Pr epar ing Solutions Weigh out a solid solute and dissolve in a given quantity of solvent. Dilute a concentrated solution to give one that is less concentrated. 3.0 M NaOH 0.50 M NaOH H 2 O Concentrated Dilute But how much water do we add? PROBLEM: You have 50.0 mL of 3.0 M NaOH and you want 0.50 M NaOH. What do you do? 3.0 M NaOH 0.50 M NaOH H 2 O Concentrated Dilute PROBLEM: You have 50.0 mL of 3.0 M NaOH and you want 0.50 M NaOH. What do you do? Conclusion: add 250 mL of water to 50.0 mL of 3.0 M NaOH to make 300 mL of 0.50 M NaOH. CH EMI CAL CH EMI CAL BON DS BON DS Cocaine Cocaine water water BF BF 3 aspirin aspirin Chemical Bonding Chemical Bonding Problems and questions: How is a molecule or polyatomic ion held together?...
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10-22-08%20-%20Lecture%2010%20-%20Fund.%20G%20%26%20Chapter%202

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