A solid chloride sample weighing 0.09969 g required 18.25 mL of 0.05205 M AGNO3 to reach the chromate end point. What is the % chloride in this sample?
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- Five drops of dichlorofluorescein have been added to a solution containing 0.800 g sample which required 25.30 mL of 0.100 M AgNO3. (c) Calculate the weight percent NaCl in the original sample.Q/ Mohr's method uses the potassium chromate indicator and this indicator makes the equivalent point not identical to the end point. A sample weighing 5.592 g of BaCl2 is dissolved in 500 mL of water. Calculate the percentage of chloride in the sample when 25 mL of the sample is titrated and requires 33.47 mL of 0.1098 N AGNO,. SOLUTI OYThe distribution constant for solute Z. between Water is 3.7. Calculate the remaining consentration of 2. remaining in a solution when 0.036 M and 31 ml. aparous solution of A is extracted with 4 portions of 8 ml. hexane AY 7.28 x 10M B ) 7.37 x 10M C) 148 x 10M D) 2.61 x 10M E ) 1.87 x 10M
- (3). Write short notes on displacement titration with suitable example.WARIARTAM 2. 1.2589 g of a certain brand of milk powder required 25.89 mL of 0.01873M EDTA to titrate the calcium contained in the sample. (a) What is the percent calcium in the sample? (b) Would the true result be higher, lower, or not be affected if the milk powder sample has been slightly wet?simple steps Find the % of sodium carbonate in a sample if 5.002 g of the sample required 29.10 cm³ of 0.7344 mol dm-³ HCl for complete neutralisation. Make sure to solve the problem using the balanced equation. Solution (a) Determine moles of HC1 (titrant, known) (b) Use a balanced equation relate moles of analyte to moles of titrant (reaction ratio) (c) Determine mass of analyte (determine unknown) and % in sample
- Five drops of dichlorofluorescein have been added to a solution containing 0.800 g sample which required 25.30 mL of 0.100 M AgNO3. (a) Identify the type of argentometric titration method used.Sample containing arsenic weighing 0.800 are titrated with a standard iodine soluton. what should be the normality of the iodine in order that each ml of titrant represents 1/2% As2O3 in the sample (Answer: 0.0809 N show full solution please)12) Calculate the K., of silver chromate if the chromate concentration was determined to be 6.54 x 105 M (const. temp).
- 10. A 0.514 gram sample of NazCO, (106.0 g/mol) was dissolved in distilled water in a 100.0 mi volumetric flask. The molar concentration of Na,CO, in solution is: 0.0485 M 0.0370 M b. 0.4849 M 0.0340 M 0.0330 M d. е.2) Mohr's method uses the potassium chromate (K2CrOs) as indicator and this indicator makes the equivalent point not identical to the end point. A sample weighing 5.96 g of BaCl is dissolved in 630 mL of water. Calculate the percentage of chloride in the sample when 50 mL of the sample is titrated and requires 33.44 mL of 0.25 N AGNO,.I would like to prepare standards by conducting a serial dilution of 2mg/ml BSA down to 0.0625mg/ml BSA. How many standard solutions will I have? What are the concentrations of these standard solutions?