We added a brown solution of Br2 to one of our products, and the brown color disappeared. This indicated thatour product was In one procedure it says, "Pour the organic layer into a clean, dry 50-mL Erlenmeyer flask, add 2 g of calciumchloride..."What is the purpose of the calcium chloride?

1) The brown color of bromine (Br2) solution disappears when it reacts with an unsaturated compound,…

Answered: We added a brown solution of Br2 to one…

Chemistry for Today: General, Organic, and Biochemistry

9th Edition

ISBN:9781305960060

Author:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Publisher:Spencer L. Seager, Michael R. Slabaugh, Maren S. Hansen

Chapter16: Amines And Amides

Section: Chapter Questions

Problem 16.25E

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1. Titration of 0.485g sample by the Mohr method required 38.8mL of standard 0.1060 M AgNO3 solution. Calculate the percentage of chloride in the sample.
1. A silver nitrate solution contains 14.77 g of primary standard AgNO3 in 1.00 L. What volume of this solution will be needed to react with a) 0.2631 g of NaCl? b) 0.1799 g of Na CrO4? c) 64.13 mg of NazAsO4?
Provide the name of the compound AND provide information about applications or chemical reactions in which the compound is involved.
In the following question , Can you please explain why is the correct answer C??
A cvg.cengagenow.com ome OWLV2 | Online teaching and learning resource from Cengage Learning [Review Topics) [References) Use the References to access important values if needed for this question. In the laboratory you are given the task of separating Pb* and Zn* ions in aqueous solution. For each reagent listed below indicate if it can be used to separate the ions. Type "Y" for yes or "N" for no. If the reagent CAN be used to separate the ions, give the formula of the precipitate. If it cannot, type "No" Y or N Reagent Formula of Precipitate if YES 1. KI 2. K,S 3. KOH Submit Answer Retry Entire Group 9 more group attempts remaining Previous Next Email Instructor Save and Exit Cengage Learning | Cengage Technical Support MacBook Air 80 888 DII DD F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 2$ & ( 4. 7 8 9. del + I| * 00 くo
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0.753-g sample of a chlorocarbon compound was analyzed by burning it in oxygen and collecting the evolved gases in a solution of NaOH. After neutralizing, the sample was treated with 25.74 mL of a 0.264 M AgNO3 solution. This precipitated the chloride (Cl-) out as AgCl and left an excess of AgNO3. The excess AgNO3 was titrated with 0.1 M KSCN and required 16.47 mL to reach the endpoint in a Volhard titration. Calculate the % w/w Cl– (35.45 g/mol) in the sample. Provide your answer to 2 places after the decimal point and without units. Reactions: Cl– + Ag+ → AgCl(s) Reaction 1 Ag+ + SCN– → AgSCN(s) Reaction 2 HINT: This is an example of a back-titration. Steps to success: First, calculate the TOTAL amount (in moles) of Ag+ added from the volume and molarity of the silver nitrate solution. Second, determine the EXCESS amount of Ag+ from the reaction with thiocyanate (Reaction 2 above). Third, calculate the…
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None
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We added a brown solution of Br2 to one of our products, and the brown color disappeared. This indicated that our product was In one procedure it says, "Pour the organic layer into a clean, dry 50-mL Erlenmeyer flask, add 2 g of calcium chloride..." What is the purpose of the calcium chloride?