Determine the pH and pOH of a solution prepared by adding a single drop of 2M hydrochloric acid to 100 ml of water. HCL + H2O H3O* + Cl Note: 20 drops equal 1 ml.

Calculate the % yield for each crude solid based on the total amount of starting mixture. Starting mass = .804g Mass of crude p-dimethoxybenzene = .401g Mass of benzoic acid = .396g

You are given a 1.25 gram mixture of calcium nitrate and calcium chloride. You dissolve this mixture in 200.0 mL of water and add an excess of 0.300 M silver nitrate. You collect and dry the white precipitate which forms and find it has a mass of 0.325 grams. Calculate the percent calcium chloride by mass in the original mixture.

6) Flash Distillation Model ... Suppose we decide to distill the same 1000 moles of the 82 mole% cyclohexane and 18 mole% toluene mixture (see the Batch distillation problem) over a ten hour period (one day) using a flash distillation. In this case we would have a feed stream of 88.3 moles/hr and a bottoms flow rate of 11 moles/hr in order to achieve the same overall material result. A cyclohexane-toluene xy-equilibrium figure is provided for your use if needed. 0 a) For the flash option, determine the distillate and bottoms compositions. b) What would you recommend - batch or flash? Why? F=√+L zF=Y₂V*XBL F= = 1000 moles x=0.82 d=0.883 Xb= 0.117 BUF 0.020 SE301 2ACT 32581 2.12 S884