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- A Sodium Chloride (0.1920g) NaCI was assayed using volhard Method, using 52mL of 0.0975N AGNO3 and 12.3 mL of 0.1192Ammonium thioscyanate. Calculate the sample in %.Ples don`t proved handratting solutionIn gravimetric analysis, volatile electrolyte is used in peptization step a. to form small nucleib. to easily dry precipitatec. to reprecipitate the analyteexplain please
- FSC 8 1921. Brightspace A Aktiv Chemistry C D Z < Q + # At F2 @ 2 What volume in mL of 0.3000 M NaCl solution is required to produce 0.2700 moles of NaCl? W S app.101edu.co Walmart - Hiring Ce... X F3 X # 3 11. Unit 12: Late Adulthood - Develo X E JC 4 D F4 с 144 $ JU F5 R LL F ► 11 % 5 V F6 t 44 T G A 6 F7 Simulation play - Labster B Y H F8 & 7 8 U N Question 7 of 9 DELL F9 X D * 8 J F10 ( M Walmart - Hiring Center 9 F11 JI K 2 O ) O F12 L P 4 : 7 +/- PrtScr W 8 Insert { ( **2) You are tasked with determining the barium content of a sample containing barium nitrate mixed with rubidium nitrate. The sample is weighed, dissolved into 50.0mg water, and treated with xs 0.500M sodium sulfate. The acid fully ionizes in this experiment. A white precipitate forms which is washed, filtered, and weighed multiple times, according to the data given below: Mass of sample 0.425g Mass of thoroughly dried filter paper 1.462g Mass of precipitate+filter after 1st drying 1.755g Mass of precipitate+filter after 2nd drying 1.699g Mass of precipitate+filter after 3rd drying 1.698gConc. of NaOH: TRIAL 1 TRIAL 2 TRIAL 3 Mass of flask 81.061 g 69.692 g 96.039 g Mass of flask and vinegar 83.010 g 71.578 g 97.940 g Mass of vinegar 1.949 g 1.886 g 1.901 g Volume of vinegar 2.00 mL 2.00 mL 2.00 mL Initial buret reading Final buret reading 17.0 mL 17.5 mL 16.0 mL Volume of NaOH delivered 17.0 mL 17.5 mL 16.0 mL Moles of NaOH delivered 0.0325 moles 0.0314 moles 0.0317 moles Moles of acetic acid in vinegar 0.0016 moles 0.0016 moles 0.0016 moles Mass of acetic acid in vinegar 0.097 g 0.094 g 0.095 g Molarity of acetic acid in vinegar 0.811 M 0.785 M 0.791 M Average molarity of acetic acid 0.796 M % by mass of acetic acid in vinegar Average % mass of acetic acid in vinegar Standard deviation of % mass acetic acid
- 16) Which of the following(s) is/are correct? I- Selectivity factor is the amount of time a solute spends in the stationary phase relative to the time it spends in mobile phase II- The retention time for an analyte is the time interval between its injection onto a column and its appearance at the detector at the other end of the column. III- Distribution constant is the ratio of the total solute concentration in the stationary phase to that in the mobile phase. A) I, II and III B) Only II C) I and III D) II and III E) Only III for GC2A K2SO4 solution is prepared by weighing out a certain amount of the pure solid reagent,dissolving it to 500.0 mL in a volumetric flask. An aliquot was taken from this solution.of 25.00 ml and diluted to 500.0 ml. An aliquot of 5.00 was taken from this new solution anddiluted to 50.00 ml. A chemical analysis of this new solution showed a 0.100%(w/v)in K+. Calculate the weight of the pure solid K2SO4 used for the preparation of the original solution.and its concentration in each volumetric flask. The answer is 2.23x10^2g31 and 32. pls help and show solution plsss
- The normality of a solution is the gram equivalent weight of a solute per milliter of * .solution T. K2Cr207 converted to Cr2O3 with 5 * electron transfer TO FOBased on the table below, calculate F-factor and X in the water sample. (Berdasarkan jadual di bawah, kirakan faktor-F dan X dalam sampel air.) 7. Abs nitrite concentration Standard 0.032 0.4ppm Xppm Water sample 0.067A stock solution of approximately 7.7x10^-5 molar will be provided in lab. Determine the volumes of each solution needed to prepare 50.00 mL of standard solutions of concentration 0.600x10^-5molar, 1.20x10^-5molar, 2.40x10^-5molar, and 3.00x10^-5molar. Round the calculated volumes to thenearest 0.1mL.