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What is amount of caustic required to adjust pH of solution?
This depends on the desired pH, volume of solution, initial pH, etc.
What use of erlen meyer flask?
an erlenmayer or what we called erlen in French is a material useful in chemistry .commonly known in English as a conical flask or E-flask, is a widely used type of laboratory flask which features a conical base and a cylindrical neck. They are usually marked on the side to indicate the approximate volume of their contents. It is named after the German chemist Emil Erlenmeyer, who created it in 1861.Erlenmeyer flasks are used for pH titrations and in microbiology for the preparation of microbial cultures.
What solution would require the greatest amount of base to be added to bring the solution to neutral pH?
To determine which solution would require the greatest amount of base to reach a neutral pH, you would look for the solution with the lowest initial pH. For example, a strong acid solution, such as hydrochloric acid (HCl) at a low concentration (e.g., pH 1), would require significantly more base to neutralize it compared to a solution with a pH closer to neutral, like a weak acid solution. The greater the acidity (lower pH), the more base is needed to achieve a neutral pH of 7.
What would happen to the overall pH if you dumped a strong acid into a solution that was slightly alkaline?
The final pH of the mixture will depend on how much of the strong acid you add. The initial amount of acid will neutralize the alkaline solution, and if there is enough of the strong acid, the final pH will then become acidic, i.e. pH < 7.
What happens when you mix two solustions of different pH balances?
When two solutions of different pH levels are mixed, they will tend to neutralize each other to reach a new pH that is between the initial pH levels. If an acid solution and a basic solution are mixed, they will form water and a salt as a result of the neutralization reaction. The final pH of the mixture will depend on the relative amounts of acid and base present in each solution.
What is the use and definition of an Erlenmeyer flask?
The triangular shape of the Erlenmeyer flask aids in the mixing of the liquid inside. When you swirl the flask, the liquid moves up the sides without coming out the top. They are used in applications where solutions must be mixed multiple times. When doing a titration analysis, small amounts of reactant are added to a solution, usually until an indicator changes color, and the solution must be mixed after every addition. When making a dilution of a stock solution, the easiest way is to add a measured amount of stock to a measured amount of solvent in an Erlenmeyer and swirl to ensure thorough mixing. Erlenmeyer flasks are often used to heat liquids with a Bunsen burner. For that purpose, the flask is usually placed on a ring held to a ring stand by means of a ring clamp. A wire gauze mesh or pad is usually placed between the ring and the flask.
What is amount of caustic required to adjust pH of solution?
This depends on the desired pH, volume of solution, initial pH, etc.
What use of erlen meyer flask?
an erlenmayer or what we called erlen in French is a material useful in chemistry .commonly known in English as a conical flask or E-flask, is a widely used type of laboratory flask which features a conical base and a cylindrical neck. They are usually marked on the side to indicate the approximate volume of their contents. It is named after the German chemist Emil Erlenmeyer, who created it in 1861.Erlenmeyer flasks are used for pH titrations and in microbiology for the preparation of microbial cultures.
How do you calculate the difference in pH strength of a solution?
To calculate the difference in pH strength of a solution, subtract the initial pH value from the final pH value. For example, if the initial pH is 5 and the final pH is 3, the difference in pH strength would be 2.
How do you calculate the theoretical pH of a solution?
To calculate the theoretical pH of a solution, you can use the formula pH -logH, where H represents the concentration of hydrogen ions in the solution. This concentration can be determined from the chemical equation of the reaction or by using the initial concentrations of the reactants. By plugging in the H value into the formula, you can find the theoretical pH of the solution.
What is the initial and final colour of shampoo when china rose solution used as an indicator?
The initial color of the shampoo will be the color of the China rose solution, which is usually red or pink. The final color will depend on the pH of the shampoo, with pink indicating an acidic pH and green indicating a neutral pH.
What does it mean to neutralize a solution and how can this be done?
Neutralizing a solution involves adjusting its pH to make it neither acidic nor basic. This is usually done by adding an acid to a basic solution or a base to an acidic solution until the desired pH is reached. Different chemicals can be used depending on the initial pH of the solution and the desired final pH.
If you took a solution of pH 5 and diluted it with water the pH number would be?
Diluting with water will make this solution more neutral, meaning it will slowly increase to 7, which is the pH value of pure water used for this dilution.
What happens to a pH of a solutionin a conical flask during a titration?
During a titration, the pH of the solution in the conical flask typically changes as the titrant is added. The pH may increase, decrease, or remain constant depending on the nature of the reactants and products formed during the titration. The pH may reach a maximum or minimum at the equivalence point, depending on the type of titration being conducted.
How to find the pH of a weak base solution?
To find the pH of a weak base solution, you can use the formula pH 14 - pOH, where pOH is calculated using the concentration of hydroxide ions in the solution. You can determine the concentration of hydroxide ions by knowing the initial concentration of the weak base and its equilibrium constant. By plugging these values into the formula, you can calculate the pH of the weak base solution.
What is the use of a erlenmeyer flask?
Erlenmeyers are used in chemistry labs for titration, e.g. for pH, as they can be held and the contents mixed single-handed leaving the other hand free to add reagent. Erlenmeyer flasks are suitable for heating liquids, e.g. with a Bunsen burner. The flask is usually placed on a ring held to a ring stand by means of a ring clamp. A wire gauze mesh or pad is usually placed between the ring and the flask to prevent the flames from directly touching the glass in the same manner as for a beaker. When heating (or cooling) in a water bath the flask can be clamped by the neck to a stand or a hooped weight may be placed over the conical part of the flask to prevent it from floating in the bath. Erlenmeyers are also used in microbiology for the preparation of microbial cultures. Plastic Erlenmeyer flasks used in cell culture are pre-sterilized and feature closures and vented closures to enhance gas exchange during incubation and shaking.
What is a uses of Erlenmeyer flask?
Erlenmeyers are used in chemistry labs for titration, e.g. for pH, as they can be held and the contents mixed single-handed leaving the other hand free to add reagent. Erlenmeyer flasks are suitable for heating liquids, e.g. with a Bunsen burner. The flask is usually placed on a ring held to a ring stand by means of a ring clamp. A wire gauze mesh or pad is usually placed between the ring and the flask to prevent the flames from directly touching the glass in the same manner as for a beaker. When heating (or cooling) in a water bath the flask can be clamped by the neck to a stand or a hooped weight may be placed over the conical part of the flask to prevent it from floating in the bath. Erlenmeyers are also used in microbiology for the preparation of microbial cultures. Plastic Erlenmeyer flasks used in cell culture are pre-sterilized and feature closures and vented closures to enhance gas exchange during incubation and shaking.
