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Aim
Aim
To prepare a transition metal complex
To prepare a transition metal complex
A. Report & Analyse of Results
A. Report & Analyse of Results
1. Record the mass of copper(II) sulfate used in the reaction.
2. Record the yield of dry tetraamminecopper(II) sulfate-1-water obtained
Things to consider CPAC 4b
Things to consider CPAC 4b
CPAC 4b – Obtains accurate, precise and sufficient data for experimental and investigative procedures and records this methodically using appropriate units and conventions.
· Writes down the exact burette value to 0.05cm3
· Measures masses to at least 2dp’s
· Data recorded includes units
· Data recorded consistently
B. Evaluate your report by answering the questions
B. Evaluate your report by answering the questions
1. Write the equation for this reaction.
2. Calculate the relative formula masses of CuSO4•5H2O and Cu(NH3)4SO4•H2O.
3. Calculate the number of moles of copper(II) sulfate used in the reaction.
4. Use your answer to calculate the theoretical yield of tetraamminecopper(II) sulfate-1-water your reaction should have produced.
5. Calculate the percentage yield obtained in this reaction.
6. Comment on your percentage yield. Explain any loss or gain in mass compared with the theoretical yield.
Math you will find useful
Math you will find useful
Use ratios fractions and percentages
C. Evaluate your Practical by Completing the Form - so you know where you should aim to make improvements in future
C. Evaluate your Practical by Completing the Form - so you know where you should aim to make improvements in future
Required Resources
Required Resources
Core Practical 12 Student Evaluation.docxCore Practical 12 - Student Sheet.docxConsult CLEAPSS Hazcards® 27C, 40A, 6. Perform a risk assessment using up-to-date information before this practical is carried out
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