Required Practical 9 (AQA A-Level Chemistry): Quizzes

📚Quizzes
Required Practical 9
Sign up to keep practising.Create a free account to play more quizzes and track your progress.

Practise the questions

10 questions from this quiz

Show

What is the aim of Required Practical 9?

Investigate pH changes in weak acid/strong base reactions

Which buffer solutions are used to calibrate the pH probe?

pH 4.00, 7.00 and 9.20

What are the axes for the pH probe calibration graph?

x: recorded pH, y: known pH values

What concentration of ethanoic acid is used in this practical?

0.1000.100 mol dm−3^{-3}

What volume of ethanoic acid is transferred to the beaker?

Exactly 20.020.0 cm3^3

What volume of NaOHNaOH is added initially at each increment?

2.02.0 cm3^3

What volume increment is used as the endpoint approaches?

0.200.20 cm3^3

What type of water is used to rinse the pH probe?

Deionised (distilled) water

How are the pH readings corrected during data analysis?

Use pH probe calibration graph

How should data points be connected on the final pH graph?

Form a smooth curve

Join 100,000+ A-Level students studying Quizzes with us.

Select your subjects, and get access to A+ resources today.