After completing a Experiment, a student determined that the total concentration of reducible iodine in the aqueous layer was 0.01563 M and the concentration of iodine in the dichloromethane layer was 0.0185 M. Based on these results, what is the concentration of iodine (in mol/L) present in the aqueous layer? Include only the numerical answer (no units).

After completing a Experiment, a student determined that the total concentration of reducible iodine in the aqueous layer was 0.01563 M and the concentration of iodine in the dichloromethane layer was 0.0185 M. Based on these results, what is the concentration of iodine (in mol/L) present in the aqueous layer? Include only the numerical answer (no units).

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter17: Electrochemistry

Section: Chapter Questions

Problem 43QAP: Write the equation for the reaction, if any, that occurs when each of the following experiments is...

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Write the equation for the reaction, if any, that occurs when each of the following experiments is performed under standard conditions. (a) Crystals of iodine are added to an aqueous solution of potassium bromide. (b) Liquid bromine is added to an aqueous solution of sodium chloride. (c) A chromium wire is dipped into a solution of nickel(II) chloride.
The substance to be analyzed – is white, highly soluble in water salt. Addition of barium chloride or silver nitrate (in presence of nitric acid) doesn't give any precipitation. Reaction with zinc uranyl acetate leads to formation of yellow crystals, which have tetrahedral geometry. Addition of antipyrin in acid medium changes color to red. What kind of substance is this? NaNO3 BaSO3 LİCI NaNO,
The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3. What is the molar concentration of Ca2+ ions in a water sample with a hardness count of 175mg CaCO3/L?
What's the concentration of PCL^5 at its equilibrium?
The substance to be analyzed is white, highly soluble in water salt. Addition of barium chloride or silver nitrate (in presence of nitric acid) doesn't give any precipitation. Reaction with zinc uranyl acetate leads to formation of yellow crystals, which have tetrahedral geometry. Addition of antipyrin in acid medium changes color to red. What kind of substance is this? NaNO3 BaSO3 LiCI NaNO2
1. The Ksp of Ca3(PO4)2 is 1.3 × 10−26. Estimate the solubility of this salt in units of g. L−12. If a sample of solid Ca3(PO4)2 is stirred into exactly one litre of a 0.550M solution of Na3PO4, how will the solubility of the salt compare with the answer that you have obtained in question 2.1? Explain you answer in a short sentence. Please only answer 2nd Question
Part of a routine blood test is to check the level of sodium in your blood. It is optimum to have between 135 and 146 micromoles per milliliter of sodium. Having an amount too high or too low can cause a variety of health issues. Sodium has a molecular mass of 23 grams per mole [g/mol]. A blood sample is 1.3 [mL]. Determine the minimum mass of sodium that must be present to surpass the upper optimum limit of 146 micromoles per milliliter.
Write a chemical equation for the reaction of CO2 and limewater (Ca(OH)2). Write a physical description of the products formed.
Describe two ways to increase the solubility of gaseous CO2 in water?
What's the driving force for Copper(II) Sulfate + Sodium Hydroxide?
Suppose the Kc value for Cobalt (II) hexahydrate is 6.80 and suppose upon heating the solution turned pink. If a group of student started mixed 10.5 mL of a 1.25 M [Co(H2O)6]2+(aq) solution with 12.5 mL of a 1.55 M solution of NaCl(aq) with 15.25 mL of a 1.39 M [CoCl4]-2(aq) solution then what color is the solution at equilibrium? [Co(H2O)6]2+(aq) + 4 Cl-(aq) [CoCl4]-2(aq) + 6 H2O(L) Multiple choices pink purple green black orange brown blue colorless yellow gray red green
The colors of compounds or solutions can be very useful in identifying unknowns. Unknown solution #2 is bright blue. Once you have identified the metal being plated by the MM/n ratio, look up the color the selected ion would have in aqueous solution, and see if this matches the observed color. The color of the plated metal can also help to identify the unknowns. Select the best analysis below. The blue color matches Cu(Il) in solution; the color of the plated metal matches copper. The blue color matches Cu(Il) in solution; the color of the plated metal does NOT match copper. The blue color does NOT match Cu(II) in solution; the color of the plated metal does NOT match copper. All metal ions in solution should be colorless, so this does NOT match the observations. All metallic solids should be silver- colored, so this does NOT match the observations.

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