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The video tutorial demonstrates a procedure involving the preparation and verification of a diluent, sodium chloride. The process includes measuring 1.8 ml of the diluent, verifying the measurement, and adding it to a vial. The steps are repeated multiple times, with careful attention to accuracy and precision. The tutorial emphasizes the importance of double-checking measurements and performing the procedure slowly and methodically.

What is the initial step mentioned in the procedure?

• Adding the solution to the vial

• Checking the measurement

• Repeating a task ten times

• Pouring 1.8 ml of sodium chloride

What is the volume of sodium chloride that needs to be measured?

• 1.5 ml

• 2.0 ml

• 2.5 ml

• 1.8 ml

Why is it important to double-check the sodium chloride measurement?

• To make the solution more concentrated

• To ensure the correct amount is drawn

• To speed up the process

• To use less sodium chloride

What is emphasized during the final steps of the procedure?

• Slow addition

• Precision

• Speed

• Mixing thoroughly

How many times is the final step repeated?

• Twenty times

• Fifteen times

• Ten times

• Five times