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11.35 g (about one tablespoon) of table sugar (sucrose, C12H22O11) is dissolved in 242.9 mL of...

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Chemistry

11.35 g (about one tablespoon) of table sugar (sucrose,C12H22O11) is dissolved in 242.9 mL of water (density 0.997 g/mL).The final volume is 250.0 mL (about one cup). 1.Calculate themolarity of sucrose in this solution. 2.Calculate the molality ofsucrose in this solution. 3.Calculate the mass percent of sucrosein this solution.

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4.2 Ratings (615 Votes)

1 )    Molarity of sucrose = Wt/Mwt * 1000/v

                                    = 11.35/342 * 1000/250

                                   = 0.133M

2)   Molality of sucrose = Wt/Mwt * 1000/w

                                    = 11.35/342 * 1000/242

                                   = 0.137m

3) mass percent         = gr solute / gr solution * 100

                                  = 4.54
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