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#1
06-23-2009, 02:17 PM
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 Molarity of solutions and dilutions? how would you prepare 500.0ml of a 0.750M solution with Sodium Carbonate (MM=106.4g/mole) from 100% pure solid? A solution of ethanol (C2H5OH) in water is prepared by dissolving 10.0ml of ethanol (density:0.7g/ml) in enough water to make 250.0ml solution. a. what is the molarity of the ethanol in this solution? b. 25.0mLs of the above ethanol is solution is diluted to a final volume of 500.0mL. what is the dilution factor associtated with this solution? c. what is the new molarity of this solution?  |
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