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- You finish doing an experiemnt with Benzoin. These are the results you get:Boiling start point: 137 ceciusBoiling end point: 130 ceciusVile while empty (with cap on): 15.348Vile with crude prod (with cap on: 15.748 Your starting weight: 1.00115.748 - 15.348 = 0.400 / 1.001 = 0.3996 or 39.96% YieldAnswer the following questions with this information:Initial Mass of impure sample:Mass of recrystallized benzoin:Percent reccovery of Benzoin:Melting pot range of purified benzoin:Literature melting point for benzoin:avg concentration: 8.937x10^-7Show that CV,vib goes to nR as T ∞.
- What mass of sucrose, C12H22O11, must be dissolved per liter of water (d= 0.998 g/ml) to obtain asolution with 2.75 mole percent C12H22O11?t Please don't provide hand writting solutionCalculate the volume of hydrogen at 0°C and 1.00 atmthat is required to convert 500.0 g linoleic acid (C18H32O2)to stearic acid (C18H36O2). (See Sec. 9.1.)
- A 5.000-g soil sample was analyzed for potassium content by extracting the potassium using 10.00 mL aqueous ammonium acetate solution. Following the extraction, the soil was filtered and rinsed. The filtrate with rinsings was diluted to exactly 50.00 mL. Then, 1.00 mL of this solution was diluted to 25.00 mL, and this dilution was tested with an instrument. The concentration in this 25.00 mL was found to be3.18 ppm. What is the concentration of the potassium in the soil in ppm?In the preparation of the standard curve for protein analysis, 50 mn BSA (bovine serum albumin) dissolved in H2O to a final volume of 5 mL was used as stock solution. What is the weight of BSA in 0.1 mL of stock solution? In 0.2 mL?Please don' tprovide hand writtin solution...
