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Chemistry Titration Essay - Paper Example Chemistry Titration Essay Titration is a method, which is meant to find the concentration of either an acid or a base by adding a measured amount of it to a known volume and concentration of an acid or Basel - Chemistry Titration Essay introduction.
Titration starts with a beaker or Erlenmeyer flask containing a very precise volume of the known concentration solution and a small amount of Indicator, which Is put underneath a burette containing the solution with unknown concentrations.
Small drops of the iterant are then added to the known solution and Indicator until the indicator changes which means the endpoint has been reached.
Single drops of the iterant can sometimes make a permanent or temporary change In the Indicators. When the endpoint of the reaction Is reached, the volume of reactant consumed Is measured and used to calculate the concentration of solution by using the MI VI -MOVE formula which allows us to find the unknown concentration of the solutions.
M represents the military and V represents the volume. We will write a custom essay sample on Chemistry Titration Order now More Essay Examples on The end point is defined s when the correct ratio of acid and base are mixed together to neutralize the solutions.
If the quantity of the acid and base necessary to reach the end point is equal, then the mixture is at its equivalence points. The difference is that while the equivalence point is where you have added the right amount of solution to neutralize the solution, the end point is where the indicator actually changes color.
One scientific principle that is very common in acid-base titration is the use of indicators such as phenolphthalein. For example, phenolphthalein is clear in acidic solutions and urns pink in neutral and basic solutions. During titration, phenolphthalein can be added to an acid.
As the solution gets closer to a neutral pH, the once acidic solution will start to turn pink because the phenolphthalein will change as it becomes neutral.
The use of pH indicators is a major part of titration. Choosing the right indicator according to equivalence point is also a major concept. An indicator must be chosen based on the strength of the acid, the strength of the base, and how throng the solution will be when mixed together.
For example, if a strong acid Is mixed with a strong base, then a neutral solution will form.
Therefore, an Indicator that changes color when the solution Is neutral should be chosen. Naturalization Is also a major principle.
Acid-base naturalization Is when an acid and base are mixed In order to form water and a salt, resulting In a neutral solution. This same thing Is done In titration in order to determine the unknown concentration of the solutions.
Titration Is used in many different ways In chemistry, although acid-base titration Is noninsured one of the major ones. For example, titration are used In redo reactions to determine the concentrations of the guzzling agent and the reducing agent.
In addition, they are also used In gas phases for determining reactive substances by reaction with an excess of another gas. Zeta potential titration uses Iso-electric points to characterize heterogeneous substances. The purpose of the experiment to HCI and Noah solution of unknown concentration.
It was predicted that if the concentration of the Noah could be determined, then that concentration could be seed to determine the concentration of the acetic acid. The methods used were acid- base titration in order to determine the volume used of the unknown concentration solution and simple multiplication and division in order to calculate the unknown concentration.
Materials and Methods In order to conduct this experiment, multiple steps were followed. The burette was first rinsed with some of the Noah and all the beakers and graduated cylinders were rinsed.
Then, a ml beaker and a ml graduated cylinder were used to measure out 40 ml of the Noah and to add it to the burette, labeled base. After that, 10 ml of 0. Next, the initial volumes for the acid and base were recorded. Then, the stopcock on the burette was slowly turned vertical so that the Noah solution would drop into the HCI, one drop at a time.38 rows · A beaker is a generally cylindrical container with a flat bottom.
Most also . D) Set the extra 5 ml aside in a labeled beaker and ask the teacher for advice. 9. Chlorophyll can be removed from leaves by boiling them in alcohol, a flammable solvent. The Flame Test Lab was an experiment designed to show how elements react when heated.
This Lab attempted to prove that when electrons are excited and then calm, they emit a color specific to the element. This test showed that there is a direct coloration between the heat energy being expelled and the movement of electrons from one energy level to the next.
Goggles Gloves ml beaker ml beaker Chemical scoop Petri dish Petri Dish Accurate Scale 12 grams of Ammonium Nitrate We will write a custom essay sample on Endothermic Reaction specifically for you.
for only $ $/page. Order now. Search. Related Essays. Exothermic and Endothermic Reactions ;. Example Essays; Example Coursework; Example Assignments; How to Write an Essay; Dissertations; Goggles. Ice. Steel wool. metal strips, wash with distilled water after and wipe dry with a towel. Place 60 mL of the 1 M ZnSO 4 solution in a mL beaker.
Place a strip of polished zinc in the beaker. Then take a mL beaker and fill it half way with warm tap water. Then you should take the entire test tube assembly and put it into the water bath, so that the alcohol surface level is below the water in the beaker surface level.