A 1.536 sample of K2SO4 is dissolved in 20.0 g of water (Kf…
A 1.536 sample of K2SO4 is dissolved in 20.0 g of water (Kf = -1.86oC/m)). The solution freezes at -2.07oC. What is the van’t Hoff factor, i, for this solution? Submit your answers below. Save and upload your calculations to the ” Midterm Exam Required Work & Partial Credit” assignment to earn 1pts after you submit this exam. Be sure to number your answers and use the correct units.
Read DetailsTo receive up to 26 CREDIT POINTS FOR CALCULATIONS as well a…
To receive up to 26 CREDIT POINTS FOR CALCULATIONS as well as Partial Credit please upload your work to the Midterm Exam Required Work & Partial Credit assignment after you submit your Midterm. Do not forget to number your answers. Do not upload anything here.
Read DetailsAfter the following solutions reacted at the conditions diff…
After the following solutions reacted at the conditions different from your experiment, the measured absorbance of the solution was 0.345. Table 1 Volume of 0.0020 M Fe(NO3)3 solution Volume of 0.0020 M KSCN solution Volume of 0.300 M HNO3 solution [Fe3+] initial [SCN-] initial [Fe(SCN)2+] equilibrium [Fe3+] equilibrium [SCN-] equilibrium Ка 5.00 mL 3.00 mL 2.00 mL Use the provided data to calculate initial concentrations and the calibration equation from your lab report build the RICE Table and calculate equilibrium concentrations and equilibrium constant. Include your answers in the space provided below. To receive full credit, create a RICE table and upload it along with your calculations to the Exam Calculations after you submitted this exam Save and upload your RICE Table and calculations to the “Midterm Exam Required Work & PC” assignment to earn 10 more points (6 pts – calculations and 4 pts – Rice Table) after you submit this exam. Be sure to number your answers and use the correct units. [Fe3+] initial: [SCN-] initial: [Fe(SCN)2+] equilibrium: [Fe3+] equilibrium: [SCN-] equilibrium: Ка:
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