Standard Solution and Titration

What is the aim of the experiment described in the document?

• To measure the pH of a solution

• To prepare a standard solution and find the concentration of NaOH

• To determine the boiling point of water

• To create a buffer solution

What is the first step in preparing the standard solution?

• Add distilled water to the acid

• Weigh an empty weighing bottle

• Transfer the solid to a beaker

• Stopper the flask

How much distilled water is initially added to the acid in the preparation of the standard solution?

• 100 cm³

• 250 cm³

• 50 cm³

• 75 cm³

What is the purpose of adding a few drops of a suitable indicator during titration?

• To increase the volume

• To change the temperature

• To observe a color change

• To dissolve the solute

What is the volume of sodium hydroxide solution measured for titration?

• 10 cm³

• 25 cm³

• 50 cm³

• 100 cm³

To what precision should the end volume in the burette be recorded?

• 0.01 cm³

• 0.05 cm³

• 0.1 cm³

• 1 cm³

What is the purpose of swirling the conical flask during titration?

• To cool the solution

• To mix the solution

• To evaporate the solvent

• To change the color

What should you be careful not to lose when transferring from the weighing bottle to the beaker?

• Liquid

• Gas

• Solid

• Vapor

What characteristic must the sample have?

• It must be colored

• It must be pure

• It must be volatile

• It must be opaque

What should the sample not be sensitive to?

• Light

• Air

• Water

• Heat