Pre-Lab Questions - Week 1 (These questions must be answered online through your section's Bb site prior to lab at a time specified by your lab instructor; make note of your worked solutions in your lab notebook to help you with post-lab calculations. If your instructor is not using online submissions, these questions must be answered in blue or black ink before lab begins and are due at the beginning of the lab session. For written submissions, show your work. Use appropriate units throughout the set-up and in the final answer. Be mindful of significant figures.)
Calculate the initial concentration of thiosulfate, [S_(2)O_(3)^(2-)]_(0), for each experiment. (Initial concentrations are concentrations at time t=0 for the experiments.)
For each experiment, what is the final concentration of thiosulfate, [S_(2)O_(3)^(2-)]_(f), when the solution turns blue?
For each experiment, what is Delta [S_(2)O_(3)^(2-)] (the change as opposed to the final concentration) when the solution turns blue?
Write an expression for the rate of Reaction 1 in terms of Delta [S_(2)O_(3)^(2-)] and Delta t.
Calculate the initial concentrations of iodide, [I^(-)]_(0), and peroxydisulfate, [S_(2)O_(8)^(2-)]_(0), for each experiment.
Beginning on a new page in your lab notebook, create a data table. Do not turn the table in with your pre-lab questions, as you will record your data in the table during lab.
5. solution turns blue? 3 blue? 2. your pre-lab questions, as you will record your data in the table during lab. 4.Write an expression for the rate of Reaction 1 in terms of [SO32] and t. concentrations are concentrations at time t = 0 for the experiments.) 1.Calculate the initial concentration of thiosulfate, [SO32]o, for each experiment. (Initial in the final answer. Be mindful of significant figures.) 6. Beginning on a new page in your lab notebook, create a data table. Do not turn the table in with Calculate the initial concentrations of iodide, [I']o, and peroxydisulfate, [SO2-]o, for each experiment. For each experiment, what is [SO,2] (the change as opposed to the final concentration) when the For each experiment, what is the final concentration of thiosulfate, [SzO32]f, when the solution turns