Data Collection Record the concentration of HCI used in the experiment (M) Table 1. Data Collection Actual temp (°C) Vol

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Data Collection Record The Concentration Of Hci Used In The Experiment M Table 1 Data Collection Actual Temp C Vol 1 (97.24 KiB) Viewed 11 times

Data Collection Record the concentration of HCI used in the experiment (M) Table 1. Data Collection Actual temp (°C) Vol. borate solution (ml) Initial buret reading (ml) Final buret reading (ml) -60°C trial 59.0 5.05 4.32 19,58 ~50°C trial 50.2 4.97 19.58 29.90 -40°C trial 40.7 5.01 29.90 36.43 -30°C trial 31.7 AG AH-TAS Which means that you can combine the two equations for AG into: -RT In Ksp AH-TAS 4.97 36.43 40.56 0.500 -20°C trial 21.8 4.98 40.56 42.94 Calculations for titration: Multiple the concentration of HCI times the volume used in the titration (found by subtracting the initial buret reading from the final reading). This is the moles of HCI used. Using the titration equation shown above, calculate the moles of borate from the moles of HCI. Divide by the 5 mL portion of borate solution to get concentration of borate in molarity. Use the borate concentration is the bold Ksp equation above to solve for Ksp. You will do this for each temperature. How to make a graph: Now that you have equilibrium constant values at different temperatures, we can solve for free energy. AG=-RT In Ksp The free energy change at a given temperature is itself related to both the change in enthalpy, and the change in entropy, by the following equation: