A titrant solution of KMNO4 was standardized with 0.2g of Na2C2O4 amd consumed 27.75 mL to reach endpoint. What is the standardized normal concentration of the titrant?
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A titrant solution of KMNO4 was standardized with 0.2g of Na2C2O4 amd consumed 27.75 mL to reach endpoint. What is the standardized normal concentration of the titrant?
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- A titrant solution of KMnO was standardized with 0.2000 grams of Na2C2O4 and consumed 27.75 mL to reach end point. Calculate the standardized NORMAL concentration of the titrant.A student weighted a 1.150gram sample of pure KHP and titrated it with 36.45ml of KO solution. Calculate the normality of the KOH.A lab wishes to analyze apple juice. They would like each milliliter of titrant equal to 0.1% of malic acid. Sample aliquots will all be 10 mL. The Eqwt of malic acid is 67. What base normality should be used?
- A commercial vinegar was analyzed by titration to determine the percent acetic acid. Briefly, 10.00 mL of vinegar sample was diluted to 100. mL solution in a volumetric flask. A 25.00 mL aliquot from the diluted vinegar required 25.55 mL of 0.1005 M sodium hydroxide to reach the phenolphthalein endpoint From this experiment which is the standard solution used in titration? CH3COOH NaOH NaCH3COO C20H14O4Normality is same as Molarity for sodium hydroxide and normal = molar (for NaOH) Normality of sodium hydroxide = 0.10395N (normal) or Molarity of NaOH = 0.10395M (molar) Volume of NaOH consumed during the titration = 21.87 mL Mol wt of Naproxen = 230.26 g/mol Weight of Naproxen ds (i.e., sample) = 0.534g Calculate the % Purity (dried-basis) of Naproxen ds, given that the LOD results for Naproxen = 1.0% a 97.0 b 98.0 c 98.5 d 99.0 e 99.5 f none of the other answers.A serum sample of 3mL is analyzed for nitrogen by modified Kjeldahl. The sample is digested, distilled, and 14mL of standard of HCl is needed to titrate the ammonium borate. The HCl was standardized using 0.30g (NH4)2SO4. 30mL acid was required in titrating for standardization. What is the concentration of nitrogen in the serum (weight/volume)?
- In standardizing a solution of NaOH against 1.431g of KHC8H4O4, the analyst uses 35.50 mL of the alkali and has to run back with 5.12 mL of acid (1mL = 0.0031g Na20) What is the normality of NaOH? Additional instructions: Make it handwritten Include up to 4 decimal places Please include explanations of the process Thank you so much!A 20mL vial of concentrated ammonium chloride solution containing 5mEq/mL is diluted to 1 litre with sterile distilled water. Calculate a) the total milliequivalent value of the ammonium ion in the dilution and b) the percent strength of the dilutionIn standardizing a solution of NaOH against 1.431g of KHC8H4O4, the analyst uses 35.50 mL of the alkali and has to run back with 5.12 mL of acid ( 1mL ≎0.0031g Na2O) What is the normality of NaOH?
- As solution was prepared by dissolving 5.76g of KCl.MgCl2.6H2O (277.85g/mol) in sufficient water to give 2.000L. calculate a. pMg for the solution b. pCl for the solutionA mixture of 500.0 mg acid A and 250.0 mg acid B is titrated with 0.1150 N NaOH. The endpoint is overstepped on the addition of 45.30 mL of the base. The solution is backtitrated using 1.40 mL of 0.1234 N HCl solution. If the equivalent weight of A is thrice the equivalent mass of B, calculate the equivalent weights of A and B.I'm trying to find the wt% of an unknown sample of KHP. I titrated a 1.4024 g of the unknown KHP dissolved in 50mL of water with 0.1327 M NaOH and the endpoint was at 13.02 mL of NaOH.