Newest Unit 4 - Scientific Practical Techniques summaries
Summary
Unit 4 M1
Quantitative Analysis 1. Write a report to state and explain what you have done to ensure that the results obtained for Task 1 are as accurate as possible. (M1) Qualitative Analysis 2. State and explain what you have done to ensure that the r...
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Summary
Unit 4 P1
Quantitative Analysis 1. Sodium hydrogen carbonate can be used to treat acid indigestion and in cooking it is known as baking soda. As an analytical chemist, you are to analyse a sample of sodium hydrogencarbonate for its purity using a method provided (see Additional Guidance). (P1) Qualitative Analysis 2. To do a series of qualitative tests and to write down th...
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Summary
Unit 4 P4
1. Carry out quantitative analysis on a sample of brass provided by using colorimetry and titration. You are also required to explain the function of each type of equipment and sensor used.
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Answers
Unit 4 M3
Task 2: (M3) • Justify the use of these instruments and sensor. • Give a reason for why each was a suitable choice in terms of accuracy and precision.
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