(a)
Interpretation:
The filtration apparatus used to remove
Concept introduction:
Filtration is one of the purification methods used for purification of an organic liquid to make them free from solid impurities. The two kinds of filtration techniques used in
- Gravity filtration
- Vacuum filtration
(b)
Interpretation:
The filtration apparatus used to remove the crystals after recrystallization process from
Concept introduction:
Filtration is one of the purification methods used for purification of an organic liquid to make them free from solid impurities. The two kinds of filtration techniques used in organic chemistry are as follows:
- Gravity filtration
- Vacuum filtration
Trending nowThis is a popular solution!
Chapter 9 Solutions
Laboratory Techniques in Organic Chemistry
- Suppose that you are closing a cabin in the north woods for the winter and you do not want the water in the toilet tank to freeze. You know that the temperature might get as low as 30. C, and you want to protect about 4.0 L water in the toilet tank from freezing. Calculate the volume of ethylene glycol (density = 1.113 g/mL; molar mass = 62.1 g/mol) you should add to the 4.0 L water.arrow_forwardA solution of atrazine (an herbicide) in water has a concentration of 0.050 µg/L. What is this concentration in units of ppb? Assume a solution density of 1.00 g/mL.arrow_forwardA 250.0 mL sample of water contains 35.0 ppb of lead. Calculate the mass in micrograms of lead in the sample. Be sure to use the correct number of significant figures in your answer. Please write the solution vertically so I can view the whole soltuion.arrow_forward
- A chemist mixes 34.9 g of diethyl ether with 52.1 g of 2-ethyltoluene and 9.03 g of butanoic acid. Calculate the percent by mass of each component of this solution. Be sure each of your answer entries has the correct number of significant digits. component mass percent diethyl ether 2-ethyltoluene 0% 0% butanoic acidarrow_forwardWhich of the following given statements is false? 1. The electrical conductivity of water is dependent on the temperature of the water sample. Removal of suspended particles by sedimentation depends upon the size and specific gravity of those particles. Suspended solids retained on a filter may remain in suspension if their specific gravity is similar to water while very dense particles passing through the filter may settle. Sodium hydroxide and sodium chloride are both bases. 2. In a sedimentation process, the solid particles settled at the bottom of the container because they are heavier than water and are acted upon by gravity. In the process of distillation, the condenser helps in the conversion of the vapor that goes inside it into liquid. After filtering a mixture using a filter paper, there is more solute at the bottom of the container compared to the contents of the filter paper. In the reaction between dry ferrous sulfate and dry potassium ferricyanide, no change is observed.…arrow_forward11. Which of the following options would student choose in order to prepare an unsaturated solution? Solubility of a compound is 65 grams per 100 g of water. a) Take 14 grams of compound and dissolve it in 20 grams of water. b) Take 18 grams of compound and dissolve it in 50 grams of water. c) Take 30 grams of compound and dissolve it in 40 grams of water. d) Take 20 grams of compound and dissolve it in 40 grams of water. e) B and Darrow_forward
- What is the BEST numerical value for the quantity of liquid in the graduated cylinder? 30 20 Click Save and Submit to saue and submit. Click Save All Answers to save all ansiwers.arrow_forwardWhy is it important that a drop of condensate be suspended from the thermometer during a distillation?arrow_forwardWhich of the following deviations from the experiment could cause a decrease in the calculated mass of Mg(s)? Not accounting for the vapor pressure of water. Using a beaker with a wider diameter. Incorrectly recording the barometric pressure. Using a eudiometer of different length. Overview of the experiment:arrow_forward
- A laboratory technician purchased 250. mL of 15.4 mol/L nitric acid. She uses this concentrated solution to prepare a 1.00 mol/L nitric acid solution. How many litres of dilute nitric acid can she prepare from the concentrated nitric acid solution she purchased?arrow_forwardA student wishes to prepare 2.00 L of 0.100 M KIO3, which has a molecular weight of 214g/mol. The proper procedure is to weigh out… 42.8 g of KIO3 and add 2.00 kg of H2O 42.8 g of KIO3 and add H2O until the final homogeneous solution has a volume of 2.00 L. 21.4 g of KIO3 and add H2O until the final homogeneous solution has a volume of 2.00 liters 42.8 grams of KIO3 and add 2.00 liters of H2O 21.4 grams fo KIO3 and add 2.00 liters of H2Oarrow_forwardA substance has a solubility of 12.5 g per 100 mL of solvent at 100°C and 2.45 g per 100 mL solvent at 10°C. How many grams of the substance can dissolve in 25 mL of solvent at 100°C? How many grams of the substance can dissolve in 25 mL of solvent at 10°C?arrow_forward
- Introductory Chemistry: A FoundationChemistryISBN:9781337399425Author:Steven S. Zumdahl, Donald J. DeCostePublisher:Cengage LearningGeneral, Organic, and Biological ChemistryChemistryISBN:9781285853918Author:H. Stephen StokerPublisher:Cengage LearningChemistry: The Molecular ScienceChemistryISBN:9781285199047Author:John W. Moore, Conrad L. StanitskiPublisher:Cengage Learning
- Chemistry & Chemical ReactivityChemistryISBN:9781337399074Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage LearningChemistry & Chemical ReactivityChemistryISBN:9781133949640Author:John C. Kotz, Paul M. Treichel, John Townsend, David TreichelPublisher:Cengage Learning