Quantitative Analysis-Titration

What is the primary purpose of titrating borax with hydrochloric acid in this experiment?

• a. To determine the pH of the solution

• b. To calculate the concentration of hydrochloric acid

• c. To determine the value of 'x' in the chemical formula of borax

• d. To measure the density of borax solution

What is the independent variable in the titration experiment?

• a. The concentration of hydrochloric acid

• b. The volume of hydrochloric acid added

• c. The temperature of the solution

• d. The color of the indicator

What does the endpoint of a titration experiment signify?

• a. The beginning of the titration

• b. The point at which all reactants have been consumed

• c. The point at which the solution turns yellow

• d. The point at which the reaction is complete

Which of the following is a potential source of error in this titration experiment?

• a. Using high-purity chemicals

• b. Rapidly adding hydrochloric acid

• c. Reading the volume at eye level

• d. Properly calibrating the color indicator

What type of indicator might be used to signal the endpoint of the titration?

• a. A pH indicator

• b. A color indicator

• c. A volume indicator

• d. A temperature indicator