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.
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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.
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- Is this for Average Molarity of EDTA Standard Solution? Then, would it be always the same with average Molarity of EDTA? How about the Ca Titer (mg Ca/mL of EDTA Solution? Show step by step solution.Compare the two quantities based on the given condition. Titration of the same sample solution of MgCl2 I. Volume at EP with 0.10 M EDTA as titrant II. Volume at EP with 0.10 M AgNO3 as titrant Are they equal? Or which one is greater? Or can it be determined?The volume of EDTA 0,0800 mol/L is required to titrate 21,70 mL of a Mg(NO3)2 solution with a concentration of 0,0741 mol/L. 20,10 mL 10,05 mL 27,16 mL 18,30 mL 40,25 mL
- Calamine, which is used for relief of skin irritations, is a mixture of zinc and iron oxides. A 1.022-g sample of dried calamine was dissolved in acid and diluted to 250.0 mL. A 50.00 mL aliquot was suitably buffered and titrated with 2.40 mL of 0.002727 M ZnY-2 (Zn-EDTA) solution to allow the following reaction: Fe+3 + ZnY-2 → FeY- + Zn+2. Molecular mass: Fe2O3 = 165.74 a. The weight of sample in the aliquot portion is _________g ? b. the percentage composition of Fe2O3 in the sample is ______ % ?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?At pH 7, what metal ions can be titrated by EDTA?
- 50 mL of a sample known to contain Mg+2 was taken and titrated with 0.075 M EDTA standard solution by adding pH 10 buffer and EBT indicator. Since the EDTA consumption is 10.5 mL, what is the amount of magnesium in the sample in ppm?Which of the following DOES NOT meet the requirement for primary standards? a. Large molar mass b. High affinity towards water c. High purity d. Soluble in titration mediumA deepwell water sample of 100 mL was titrated with 0.010 M EDTA at pH 12 and consumed 31 mL. Calculate the Calcium content of the water sample in mg/L.
- As part of a geological team that studied a local cave, you brought with you a bunch of 1.00 g rock samples to be studied. Each rock was prepared and titrated against 0.050 M EDTA. a. Calculate the percent calcite (CaCO3) content of rock A if it was titrated with 48.0 mL EDTATitration of 25.0 mL of a 0.0500 M Zn2+ solution with 0.0550 M EDTA in a solution buffered at pH 8. Assume that the temperature is 25 oC and that the formation constant for Zn2+ is 3.13 x 1016 at this temperature. What is the pZn of the solution after 30 mL of titrant have been added?A 25.00 mL aliquot (a portion or part) of the standard Ca (II) solution (prepared by dissolving 0.3139 g CaCO3 in water and diluted to 250 mL) reacts with 27.25 mL of the EDTA solution. What is the molarity of the EDTA? Show calculation below.