Treatment of hydroxylamine (H₂NOH) with an excess of Fe (III) results in the formation of N₂O and an equivalent amount of Fe (II): 2 H₂NOH + 4 Fe³+ N₂O(g) + 4 Fe2+ + 14 H+ + H₂O Calculate the molar concentration of an H₂NOH solution if the Fe (II) produced by treatment of a 36.22 -mL aliquot required 15.99 mL of 0.0784 M K2Cr207. Cr₂O72- + 6 Fe2+ +12 H+ 2 Cr³+ + 6 Fe 3+ + 7 H₂O

Treatment of hydroxylamine (H₂NOH) with an excess of Fe (III) results in the formation of N₂O and an equivalent amount of Fe (II): 2 H₂NOH + 4 Fe³+ N₂O(g) + 4 Fe2+ + 14 H+ + H₂O Calculate the molar concentration of an H₂NOH solution if the Fe (II) produced by treatment of a 36.22 -mL aliquot required 15.99 mL of 0.0784 M K2Cr207. Cr₂O72- + 6 Fe2+ +12 H+ 2 Cr³+ + 6 Fe 3+ + 7 H₂O

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

Oxalic acid dihydrate (H2C2O4 • 2H2O, molecular weight = 126.07 g/mol), a diprotic acid, can also be used to standardize NaOH solution. If 0.284 g of H2C2O4 • 2H2O is dissolved in water and titrated to the equivalence point with 16.37 mL of NaOH, what is the molarity of the NaOH solution?
185 mL of 0.355 M NaCl is added to a 0.500 L volumetric flask and the flask is filled with water. Calculate the [Na⁺] concentration in the diluted solution.
It is found that 41.27 ml of 0.2017 M NaOH is required to neutralize 25.00 ml of HNO3 solution in a titration experiment. Calculate the molarity of the HNO3 solution.
Which of the units could be used to quantify the concentration of a solution of CuCl2CuCl2 M % mL g M·s–1
A solution of sodium hydroxide is standardized against potassium hydrogen phthalate (molecular mass = 204.224 g mol-1). From the following data, calculate the molarity of the NaOH solution. The mass of the KHP is 0.7840 g. Before the titration the buret reading was 0.8400 mL and afterwards it was 39.20 mL. A 85.12 mL sample of a solution of sulfuric acid, H2SO4, is neutralized by 59.82 mL of the NaOH solution from the problem above. Calculate the molarity of the sulfuric acid solution.
A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs out 400. mg of oxalic acid (H,C204), a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in 250. mL of distilled water. The student then titrates the oxalic acid solution with her sodium hydroxide solution. When the titration reaches the equivalence point, the student finds she has used 90.3 mL of sodium hydroxide solution. Calculate the molarity of the student's sodium hydroxide solution. Be sure your answer has the correct number of significant digits.
5.00 mL of acetic acid required 37.28 mL of 0.0999 M NaOH to be neutralized in a titration. Calculate the molarity of vinegar.
A 25.00 mL aliquot is withdrawn from the liquid portion of saturated Manganese (II) hydroxide and transferred to an Erlenmeyer flask. After the addition of methyl orange, a titration with 0.0045 M HCl was performed. The endpoint was reached after 8.72 mL of the acid was added. What is the balanced chemical equation? How many moles of hydroxide ions were neutralized in the reaction? What is the molar concentration of hydroxide in the saturated solution? What is the molar concentration of Magnesium ion in solution?
What volume (in liters) of CO2 measured at STP would be produced if 11.6 mL of 3.3 M HCl reacted with an excess amount of sodium bicarbonate? NaHCO3(s) + HCl(aq) → NaCl(aq) + H2O(l) + CO2(g)
A titration experiment reveals that 6.00 mL of 6.0 M sulfuric acid is required to neutralize 25.00 mL of Ca(OH)2 solution using phenolphthalein. What is the molarity of the Ca(OH)2 solution? Use Significant Figures
Potassium hydrogen phthalate (KHPKHP) is often used as a primary standard in acid–base titrations. If 20.05 mL NaOH20.05 mL NaOH is required to neutralize 0.397 g KHP,0.397 g KHP, what is the concentration of the NaOH?