Titration Curves

Titration curves can be used to calculate an unknown

Which apparatus would you use to add a solution to the conical flask during a titration

• Burette

• Volumetric Pipette

• Measuring Cylinder

• Volumetric flask

Which of the following indicators can be used in titration

• Phenolphtalein

• Universal indicator

• Methlyorange

• Litmus solution

What allows us to know when the end point has been reached?

• Bubbles

• Feels warm

• indicator changing color

• Turns to a solid

A chemist claimed that in Experiment 2, the pH of the sample solution was greater at a value of 0.2 mL of titrant added than at a value of 1.8 mL of titrant added. Do the results of Experiment 2 support this claim?

• No; at a value of 0.2 mL of titrant added, the sample solution was yellow, and at a value of 1.8 mL of titrant added, the sample solution was blue.

• No; at a value of 0.2 mL of titrant added, the sample solution was blue, and at a value of 1.8 mL of titrant added, the sample solution was yellow.

• Yes; at a value of 0.2 mL of titrant added, the sample solution was yellow, and at a value of 1.8 mL of titrant added, the sample solution was blue.

• Yes; at a value of 0.2 mL of titrant added, the sample solution was blue, and at a value of 1.8 mL of titrant added, the sample solution was yellow.

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What is the purpose of a titration curve in a titration experiment?

• To determine the concentration of an unknown solution

• To measure the temperature change during a reaction

• To calculate the rate of reaction

• To identify the color change of an indicator

Which part of the titration curve represents the equivalence point?

• The initial flat region

• The steepest part of the curve

• The final flat region

• The midpoint of the curve

What does the equivalence point on a titration curve indicate?

• The point where the solution is saturated

• The point where the reactants are in stoichiometric balance

• The point where the pH is neutral

• The point where the reaction rate is highest

Tags

NGSS.HS-PS1-7

In a strong acid-strong base titration, what is the expected pH at the equivalence point?

• pH 7

• pH 3

• pH 10

• pH 1

What type of titration curve is expected when titrating a weak acid with a strong base?

• A curve with a sharp equivalence point

• A curve with a gradual slope

• A curve with multiple equivalence points

• A curve with no equivalence point