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A water sample having a hardness of 225 mg CaCO3/L will require how many milliliters of a 0.125 M EDTA solution in a titration analysis?
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- 0.368 mmoles of NaOH(0.0491 M) is added to 25 ml of sprite during a titration. How many mmoles of Citric acid are present in the sample of sprite?You are to make 300mL of 20mM EDTA buffer (C10H16N2O8) solution from powder. How much EDTA powder must be dissolved in water? [Atomic Weight: C = 12.011; H = 1.0079; O = 15.999; N = 14.0067]The molarity of an EDTA solution is 0.0114 M. A 25.0 mL sample of water with unknown Ca+2 concentration is titrated with this EDTA solution and requires an average volume of 22.60 mL of EDTA. How many grams of CaCO3 is present per liter of water sample?
- if a 1.25g sample of magnesium oxide (98.9%) were titrated with 70ml of 1.04N of sulfuric acid, what volume of 1.15N sodium hydroxide would be required in the back titration?A chemist is given a piece of limestone and told that 50.00% of the sample exists as calcium oxide (CaO). To analyze the sample, the chemist wants to dissolve a portion of the sample in 100 mL and then titrate an aliquot (10 mL) using 0.005300 M EDTA. How much sample (in grams) is needed if a titration volume of 25.00 mL EDTA is desired?In order to adjust the Potassium Permanganate solution, 0.0544g Na2C2O4 was taken and necessary experimental procedures were performed on it and the titrant consumption was found to be 7.9 mL. What is the KMnO4 concentration?
- In order to adjust the permanganate solution, the necessary experimental procedures were performed by taking 0.0585 g Na2C2O4 and the titrant consumption was 8.4 mL. Calculate the KMnO4 concentration accordingly (Na: 23, C: 12, O: 16 g / mol)Determine the molar concentration of an EDTA solution of which 26.44 mL were required to titrate a sample containing 287.4 mg of primary standard CaCO3.Calculate the volume of 0.0602 M EDTA needed to titrate 11.63 mL of 0.0725 M Mg(NO3)2.
- 0.9563 g KHCO3 (M.r.(KHCO3) = 100.12 g/mol (mg/mmol)) have measured, and 50.0 cm3 stock solution have been prepared from it. 10.00 cm3 individual samples from it was titrated with HCl titrant in order to determine its concentration. The average HCl consumption was 19.18 cm3. The same HCl solution with were used to determine the concentration of NaOH titrant. The base consumption for 20.00 cm3 HCl was 21.35 cm3 NaOH. 1. concentration of HCl 2. concentration of NaOH1. What is the primary use of standard K2Cr2O7 solutions?A 0.175 g of primary standard KIO3 requires 11.70 ml of Na2S2O3 solution for titration. what is the molarity of Na2S2O3 solution?