ipl-logo

Do You Calculate The Number Of Moles Of Two Pure Liquid Substances In The Initial Mixture?

582 Words3 Pages

Research question:
In a distillation lab, how do we calculate the number of moles of two pure liquid substances in the initial mixture, distillate samples, and the final mixture?

Distillation is a process widely used in chemical research and industrial production. If we need to purify a liquid or extract a liquid substance form another, distillation can be used. Distillation works because different liquids have different boiling points. However, when a mixture is distillated, the vapor does not consist of only one substance, and the ratio of substances in the vapor changes from time to time. For this reason, it is complicated to know about the purity of the mixture through and after distillation process. My research question seeks to find a way to solve the question by carrying out a distillation process on my own with a mixture of ethanol and water, which will be very helpful for the researchers and industries.
This experiment …show more content…

The original ethanol/water solution is placed in the 1000-mL flask. Heat to the mixture is provided by a hot plate. A rubber stopper caps the flask. The stopper contains two small holes: one for a thermometer, and one for a small piece of copper tubing to which latex tubing may be attached. Another rubber stopper with a small piece of copper tubing is plugged into the top of the Graham condenser. The flask and condenser stoppers are connected with latex tubing. The water jacket surrounding the glass coil must be connected via latex tubing from the lower fitting on the condenser to a water source and another length of latex tubing should be attached to the upper fitting of the condenser with the other end of the tubing placed in a sink to drain. The role of the condenser is to extract enough heat from the vapor produced in the flask to condense back into a liquid phase. (The condensed liquid is referred to as distillate.) The condensed liquid empties into collection bottles at the bottom of the

Show More
Related

Unknown 6 Essay

680 Words | 3 Pages

Characteristic property- Test 1- distillation Materials: Goggles, 250 ml beaker, 10 ml graduated

Read More

Lab Report: Fractional Distillation And Gas Chromatography

1784 Words | 8 Pages

The purpose of this experiment was to identify two unknowns and their ratios in a given mixture. The identities of the unknowns were two of either acetone, methanol, hexane, cyclohexane, heptane, toluene, or ethyl benzene. Distillation Distillation is used to remove impurities from a mixture – one component of which must be a liquid. Boiling points are utilized in determining the identity of the unknowns. Types of distillation include

Read More

Cyclohexane Vs Fractional Distillation

1533 Words | 7 Pages

There is something called azeotrope, it’s a mixture that have the same concentration in liquid and vapor phases. If the mixture during distillation form an azeotrope, the concentration of the liquid and the vapor is

Read More

Cartesian Diver Lab Report

911 Words | 4 Pages

The first step was to buy a 2L bottle. After that, all of the liquid inside of the bottle had to be emptied, and the plastic labels on the outside, if any, had to be removed. Then, the bottle had to be filled to the very top with water. After completing this, the Plastic Pipet had to have the metal nut attached to it, and the Pipet had to be filled almost to the top with water. Then, an empty glass or cup had to be completely filled with water, and the Pipet had to be placed in it.

Read More

Nebulized Epinephrine Essay

429 Words | 2 Pages

It is designed to provide high levels of humidity to the airway continuously for long periods. The water, cartridge and air are heated to body temperature or slightly above and a triple lumen tube that goes to the

Read More

Acetanilide Is The Resultant For The Synthesis Of Aniline

549 Words | 3 Pages

To begin the recrystallization process, the stopper was removed and 50mL of water was added to the same flask. Once back at benchtop, a single boiling stone was placed into the Erlenmeyer flask, and solution was then heated and swirled. Once the crystals were dissolved, the solution was taken off the

Read More

The Electric Kettle's Impact On Society

884 Words | 4 Pages

This coil has an electrical resistor which resists the flow of electricity, which in effect converts electrical energy into heat as energy goes through the coil. Due to this, the heat energy produced by the resistor heats up the water within the kettle to boiling point. The heating element is controlled by a bimetallic thermostat, which contains a variable resistor inside it. Integrated at the bottom of the kettle, it consists of a disc of two different metals bonded tightly together, curved in a particular direction. As temperature inside the kettle rises, one metal expands faster than the other, set up in a manner

Read More

Binary Liquid Vapour Phase Diagration Lab Report

1855 Words | 8 Pages

The mixture was then distilled. When the temperature was reached to about 59℃, half vial of distillate (1V) and 1 mL of the liquid residue (1L) were collected. For 61.0℃, the distillation was then continued. Samples (2V, 2L) were taken at about 61.0℃.

Read More

Effectiveness Of Simple And Simple Distillation

1938 Words | 8 Pages

Introduction Distillation is a specific technique of separating mixtures based on differences in propensity to vaporize of components in a boiling liquid mixture (Palleros, 2000). Distillation is a physical separation process, which does not involve chemical reaction and used for purification of liquids which do not undergo decomposition at their boiling point. There are several types of distillation including simple distillation, fractional distillation, vacuum distillation and steam distillation (ibid.). The type of used distillation depends on the nature of the liquid and the nature of impurities present in it. During this practical two types of distillation were performed: simple and fractional distillation.

Read More

Essay On Ic Engine

867 Words | 4 Pages

It is a closed loop circuit consisting of manometer, flow meter, valves, pump, vibrator heater, reservoir, thermocouple and radiator. The manometer is used to gauge the pressure at the inlet and outlet of the radiator. 30% of the reservoir is filled with the base fluid. The total volume of the base fluid in the entire system is kept constant. The thermocouples used in the experimental setup are T type thermocouples.

Read More

Distillation And Purification Of Liquids Lab Report

742 Words | 3 Pages

In a simple distillation, the solution is brought to a boil and the vapours rise into a stillhead that directs them into a condenser. The vapour is condensed to the liquid phase and collected. This method works well for solutions that are composed of liquids with vastly different boiling points. However, if the liquids are similar in boiling points, fractional distillation is the preferred method of separation. In this technique, vapours are forced to pass through a fractional distillation column before reaching the stillhead.

Read More

Carbonated Soft Drinks Lab Report

942 Words | 4 Pages

iii. The cap/stopper was put on the mouth of the volumetric flask and the solution was gently

Read More

Distillation Lab Report

1300 Words | 6 Pages

Abstract — This experiment was conducted to familiarize the students with the procedures regarding distillation—to be more precise, the separation of ethanol from an alcoholic beverage—using a distillation set-up consisting of boiling chips, a Bunsen burner, a condenser, a thermometer and several other materials. In the end, it was discovered that one may actually separate a homogeneous mixture, given that the components of said mixture differ in volatility and that they utilize a complete distillation set-up and follow laboratory safety rules and regulations. Keywords — Matter, homogeneous and hetereogeneous mixtures, distillation, volatility, boiling point I. INTRODUCTION There are typically two categories of matter, these are pure substances

Read More

Oil Distillation Lab Report

919 Words | 4 Pages

Rediet Legese iLab Week # 6 CRUDE OIL DISTILLATION Introduction: The aim of this week lab experiment is to experiment distill crude oil and to check how temperature determine the chemical properties of crude oil plus how the boiling point can also show physical properties. They are two major finding in this experiment. he first finding was the point at which the raw petroleum is heated to the point of boiling, at 275 0C, the gas and kerosene oil are refined, however the oil (lubricant ) stays as an unrefined feature oil.

Read More

Lab Report Fractional Distillation

1237 Words | 5 Pages

Fractional distillation was performed in this lab to separate a mixture of two miscible liquids with a difference in boiling points of less than 40 C, and to predict their identities. After that, gas chromatography was used to confirm the identities of the two liquids in the unknown solution, and to obtain the ratio of the composition of the solution with respect to these two liquids. Distillation is a separation technique that relies on two substances having different boiling points, so that one evaporates and condenses in a separate flask. Simple distillation can be used for mixtures of solids and liquids, as liquids typically have lower boiling points than solids, or for mixtures of two liquids with a difference in boiling points greater

Read More

More about Do You Calculate The Number Of Moles Of Two Pure Liquid Substances In The Initial Mixture?

Related Topics

Open Document