Titration

What is the purpose of an indicator in titration?

• To measure the volume of the titrant used.

• To signal when the end point of the titration has been reached by changing color.

• To determine the concentration of the solution being titrated.

• To maintain the temperature of the reaction.

What is titration?

• A method to measure the volume of a liquid

• A procedure in which a solution of known concentration is used to determine the concentration of an unknown solution.

• A technique for separating mixtures

• A process of heating a solution to evaporate the solvent.

What is the significance of the equivalence point in titration?

• It is the point at which the amount of titrant added is stoichiometrically equivalent to the amount of substance in the sample.

• It is the point where the pH of the solution is neutral.

• It is the point at which the color change occurs in the indicator.

• It is the point where the reaction is complete and no more titrant is needed.

What is the importance of using a standard solution in titration?

• It provides a solution of known concentration to accurately determine the concentration of an unknown solution.

• It helps to dilute the unknown solution for easier measurement.

• It increases the volume of the unknown solution for better visibility.

• It allows for the use of any random solution without affecting the results.

What is a neutralization reaction?

• A reaction that produces gas and a solid.

• A chemical reaction between an acid and a base that produces water and a salt.

• A reaction that occurs only in organic compounds.

• A process that increases the acidity of a solution.

What is the formula for calculating concentration in titration?

• Concentration (C) = moles of solute (n) / volume of solution (V) in liters.

• Concentration (C) = mass of solute (m) / volume of solution (V) in liters.

• Concentration (C) = moles of solute (n) x volume of solution (V) in liters.

• Concentration (C) = moles of solute (n) + volume of solution (V) in liters.

What is the role of a strong acid in titration?

• To react completely with a strong base, allowing for accurate determination of the base's concentration.

• To neutralize weak acids only.

• To increase the pH of the solution.

• To act as a buffer during the titration process.

How do you calculate moles from concentration and volume?

• Moles (n) = Concentration (C) x Volume (V) in liters.

• Moles (n) = Concentration (C) + Volume (V) in liters.

• Moles (n) = Concentration (C) / Volume (V) in liters.

• Moles (n) = Concentration (C) - Volume (V) in liters.

What is the difference between a strong acid and a weak acid in titration?

• Strong acids partially dissociate in solution, while weak acids completely dissociate.

• Strong acids do not conduct electricity, while weak acids do.

• Strong acids completely dissociate in solution, while weak acids only partially dissociate.

• Strong acids have a higher pH than weak acids.

What is the relationship between moles of acid and moles of base at the equivalence point?

• They are equal, based on the stoichiometry of the balanced chemical equation.

• The moles of acid are greater than the moles of base.

• The moles of base are greater than the moles of acid.

• There is no relationship between moles of acid and moles of base.