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How is Qsp affected when adding in excess reagent during a precipitation?
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- Precipitation is the opposite of dissolution. Group of answer choices True FalseIs the solubility rule very important in precipitation stoichiometry? why or why not?In bromine water test Procedure: -Add 3 ml of phenol and ethanol in separate test tube-Add 10 ml of water to each test tubes-Transfer to bigger test tubes-For phenol and ethanol, Add bromine water drop by drop until bromine color persists MUST DO: Observe formation of precipitate P.s I provided photos for better visualization of the overall result procedure, I just need a further and detailed answer based on observation. If answered properly I will upvote, I promise tyyy. Please do focus on the formation of precipitate, thank youuu The first photo is the phenol one (colored one) and the second one is the ethanol (clear one)
- Table 1: Qualitative Analysis of Group II Cations Group II Cations Confirmatory Reagent Result/ Observation Substance Formed Inference Write the chemical equations involve in the analysis of group II cations. Guide Question: What are differences of the precipitates of each cation in group II? Reference video : https://www.youtube.com/watch?v=BZGZZx1lHKAIn bromine water test Procedure: -Add 3 ml of phenol and ethanol in separate test tube-Add 10 ml of water to each test tubes-Transfer to bigger test tubes-For phenol and ethanol, Add bromine water drop by drop until bromine color persists MUST DO: Observe formation of precipitate P.s I provided photos for better visualization of the overall result procedure, I just need a further and detailed answer based on observation. If answered properly I will upvote, I promise tyyy The first photo is the phenol one (colored one) and the second one is the ethanol (clear one)PART 1- Determination of solubility product (Kep) of different salts Table 1- Solubility of Ag2SO4 (add more rows if necessary) Mass of Ag,SO4 added (g) Concentration of Ag* (M) Concentration of SO,? (M) 0.100 0.00641293 0.00320646 0.100 0.0128259 0.00641293 0.100 0.0192388 0.00961939 0.100 0.0256517 0.0128259 0.100 0.0304380 0.0152190 0.100 0.0304380 0.0152190 Write the balanced chemical equation to represent the solubility of Ag2SO4: Calculate the solubility product constant (Kp) for Ag:SO4. Use the constant values obtained for the concentrations of the cation and anion. Show your work below:
- Recommend a specific cation for the quantitative precipitation of carbonate ion andjustify your recommendations.Which of the following statements about precipitation requirements is incorrect? O The precipitant and the substance that will be precipitated must react fast. O Co-precipitation effects shouldn't have an influence on the outcome of the titration. O Precipitates should not be insoluble. O The endpoint of the titration is determined using an appropriate indicator.How does a supersaturated precipitating agent affect precipitation?
- 4. The Unknown Sample Solution will contain between 40% and 70% soluble Chloride lon in grams. Assuming a initial mass of 0.2 grams of unknown sample in solution and 0.2 M solution of Silver Nitrate precipitating agent, estimate the volume of Silver Nitrate solution that should be added to insure "complete" precipitation of the Chloride. MW: AgCl = 143.32 g/mol; MW: CI = 35.4527 g/mol.نقطتان )2( the precipitate are formed if the value of KSP is less than I.P FO TOQ5: A sample of 0.676g of an unknown compound containing barium ions (Ba+) is dissolved in water and treated with an excess of NazSO. If the mass of BasO, precipitate formed is 0.4105g. What is the percent by mass of Ba in the original unknown compound? Note: Mwt. of Ba =32, Mwt. of BaSo4 =233, Mwt. of Na2SO4=142
