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# c1_Meas - CHAPTER 1 Measurement Dr Shubo Han 1 1.1 SI UNITS...

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C HAPTER 1 Measurement Dr. Shubo Han 1

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1.1 SI U NITS 2 Dr. Shubo Han
1.1 SI U NITS 3 Dr. Shubo Han

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1.1 SI U NITS 4 Dr. Shubo Han
1.1 SI U NITS 5 Dr. Shubo Han

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1-2 C HEMICAL C ONCENTRATIONS 6 Dr. Shubo Han Solution: A homogeneous mixture of two or more substances. Solute: A minor species in a solution. Solvent: The major species in a solution . Aqueous solutions: the solvent is water. Concentration states how much solute is contained in a given volume or mass of solution or solvent .
Dr. Shubo Han 7 Molarity V M n ) / ( ) ( mol g FM g W n ) / ( L mol V n M solution of liters solute of moles Molarity solvent of kilograms solute of moles Molality c.f. W n m

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Dr. Shubo Han 8 Molarity A solution with a final volume of 500.0 mL was prepared by dissolving 25.00 mL of methanol (CH 3 OH, density = 0.791 4 g/mL) in chloroform. (a) Calculate the molarity of methanol in the solution. (b) The solution has a density of 1.454 g/mL. Find the molality of methanol.
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c1_Meas - CHAPTER 1 Measurement Dr Shubo Han 1 1.1 SI UNITS...

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