Chloroform is an excellent solvent for extracting caffeine, Ask an Expert

Academics

Chloroform is an excellent solvent for extracting caffeine from water. KD = 9 for caffeine in chloroform-water at 25 degrees celecius. What weight of caffeine would be recovered from a solution of 4.0 g caffeine in 100 mL water by a single extraction of 100 mL of chloroform?

View complete question

Chemistry, Academics

Category:- Chemistry
Reference No.:- M9893806

Have any Question?Write your Review or question?

Related Questions in Chemistry

Assessmenttaskyou have been tasked to prepare a report for

Assessment Task You have been tasked to prepare a report for potential investors that allows them to understand the potential social, ethical and legal opportunities and risks of a technology, selected from a list of top ...

A sample of cobalt ii chloride hydrate starts with a mass

A sample of cobalt (II) chloride hydrate starts with a mass of 3.35 g. After heating, the sample mass is 1.83 g. What is the molar ratio of water to cobalt chloride? What is the correct chemical formula

A 479 ml sample of 09833 m hcl is mixed with 485 ml sample

A 479 mL sample of 0.9833 M HCl is mixed with 485 mL sample of NaOH (which has a pH of 13.48). What is the pH of the resulting solution?

1 2croh3nbspnbsp3br2 10oh-6br-nbspnbsp2cro42- 8h2oin the

1. 2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 2. A tank ...

Ttrate the base trimethylamine tma with 0126 m hcl ch3naq

Titrate the base trimethylamine (TMA) with 0.126 M HCl. (CH) 3 N(aq) + H 2 O(l) (CH 3 ) 3 NH+(aq) + OH-(aq) Kb = 6.45 x 10 -5 There are 0.00615 moles of TMA in 42.5 mL H 2 O before titration begins. What percent of TMA i ...

Interpretation of reactions by ionic type equations aqueous

Interpretation of Reactions by Ionic Type Equations. Aqueous solutions of the following substances or their mixtures with water if they are only slightly soluble, are mixed. Write first the conventional equation , secon ...

Question 1bonding energyi draw an energy level diagram for

Question 1: Bonding Energy i. Draw an energy level diagram for a single Na ion and Cl ion. ii. Explain what is happening to the energy level between these two ions in terms of the Potential Energy. iii. Which process uti ...

At rest a person inhales 9721021 nitrogen molecules in an

At rest, a person inhales 9.72*10^21 nitrogen molecules in an average breath of air. How many mole of nitrogen atoms are inhaled? (Hint: in air, nitrogen occurs as a diatomic molecule)

Explain why the faster red particles in the video slow down

Explain why the faster red particles in the video slow down and the slower blue particles speed up when they come into contact with each other.

How many water molecules are associated with a single salt

How many water molecules are associated with a single salt molecule in a hexahydrate?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Chemistry Expert